3x+1 Class records calculation progress map
 
Completed block range from 20000 to 40000
 
20000-20
Eric
20020-40
Ralph
20040-60
Ralph
20060-80
Stéphane
20080-00
Richard
20100-20
Eric
20120-40
Paul
20140-60
Ralph
20160-80
Jeff
20180-00
Jeff
20200-20
Eric
20220-40
Eric
20240-60
Eric
20260-80
Eric
20280-00
Eric
20300-20
Eric
20320-40
Eric
20340-60
Eric
20360-80
Eric
20380-00
Eric
20400-20
Eric
20420-40
Eric
20440-60
Eric
20460-80
Eric
20480-00
Eric
20500-20
Eric
20520-40
Eric
20540-60
Eric
20560-80
Eric
20580-00
Eric
20600-20
Japke
20620-40
Ralph
20640-60
Ralph
20660-80
Tobias
20680-00
Richard
20700-20
Michael V
20720-40
Ken
20740-60
Roberto
20760-80
Japke
20780-00
Jürgen
20800-20
Lutz
20820-40
Ken
20840-60
Stéphane
20860-80
Derek
20880-00
Paul
20900-20
Eric
20920-40
Eric
20940-60
Eric
20960-80
Eric
20980-00
Eric
21000-20
Kevin
21020-40
Kevin
21040-60
Kevin
21060-80
Kevin
21080-00
Kevin
21100-20
Kevin
21120-40
Kevin
21140-60
Kevin
21160-80
Kevin
21180-00
Kevin
21200-20
Kevin
21220-40
Kevin
21240-60
Kevin
21260-80
Kevin
21280-00
Kevin
21300-20
Kevin
21320-40
Kevin
21340-60
Kevin
21360-80
Kevin
21380-00
Kevin
21400-20
Kevin
21420-40
Kevin
21440-60
Kevin
21460-80
Kevin
21480-00
Kevin
21500-20
Kevin
21520-40
Kevin
21540-60
Kevin
21560-80
Kevin
21580-00
Kevin
21600-20
Kevin
21620-40
Kevin
21640-60
Kevin
21660-80
Kevin
21680-00
Kevin
21700-20
Kevin
21720-40
Kevin
21740-60
Kevin
21760-80
Kevin
21780-00
Kevin
21800-20
Kevin
21820-40
Kevin
21840-60
Kevin
21860-80
Kevin
21880-00
Kevin
21900-20
Kevin
21920-40
Kevin
21940-60
Kevin
21960-80
Kevin
21980-00
Kevin
22000-20
Kevin
22020-40
Kevin
22040-60
Kevin
22060-80
Kevin
22080-00
Kevin
22100-20
Kevin
22120-40
Kevin
22140-60
Kevin
22160-80
Kevin
22180-00
Kevin
22200-20
Kevin
22220-40
Kevin
22240-60
Kevin
22260-80
Kevin
22280-00
Kevin
22300-20
Kevin
22320-40
Kevin
22340-60
Kevin
22360-80
Kevin
22380-00
Kevin
22400-20
Kevin
22420-40
Kevin
22440-60
Kevin
22460-80
Kevin
22480-00
Kevin
22500-20
Kevin
22520-40
Kevin
22540-60
Kevin
22560-80
Kevin
22580-00
Kevin
22600-20
Kevin
22620-40
Kevin
22640-60
Kevin
22660-80
Kevin
22680-00
Kevin
22700-20
Kevin
22720-40
Kevin
22740-60
Kevin
22760-80
Kevin
22780-00
Kevin
22800-20
Kevin
22820-40
Kevin
22840-60
Kevin
22860-80
Kevin
22880-00
Kevin
22900-20
Kevin
22920-40
Kevin
22940-60
Kevin
22960-80
Kevin
22980-00
Kevin
23000-20
Bob
23020-40
Richard
23040-60
Bob
23060-80
Japke
23080-00
Ken
23100-20
Eric
23120-40
Michael V
23140-60
Michael V
23160-80
Michael V
23180-00
Michael V
23200-20
Jeff
23220-40
Jeff
23240-60
Thomas
23260-80
Eric
23280-00
Thomas W
23300-20
José
23320-40
José
23340-60
Bob
23360-80
Roberto
23380-00
Bob
23400-20
Japke
23420-40
Japke
23440-60
Ken
23460-80
Bob
23480-00
Bob
23500-20
Stéphane
23520-40
Paul
23540-60
Andrew
23560-80
Eric
23580-00
Eric
23600-20
Bob
23620-40
Ken
23640-60
Lutz
23660-80
Andrew
23680-00
Andrew
23700-20
Bob
23720-40
Japke
23740-60
Japke
23760-80
Bob
23780-00
Eric
23800-20
Eric
23820-40
Eric
23840-60
Eric
23860-80
Eric
23880-00
Eric
23900-20
Eric
23920-40
Eric
23940-60
Eric
23960-80
Eric
23980-00
Eric
24000-20
Kevin
24020-40
Kevin
24040-60
Kevin
24060-80
Kevin
24080-00
Kevin
24100-20
Kevin
24120-40
Kevin
24140-60
Kevin
24160-80
Kevin
24180-00
Kevin
24200-20
Kevin
24220-40
Kevin
24240-60
Kevin
24260-80
Kevin
24280-00
Kevin
24300-20
Kevin
24320-40
Kevin
24340-60
Kevin
24360-80
Kevin
24380-00
Kevin
24400-20
Kevin
24420-40
Kevin
24440-60
Kevin
24460-80
Kevin
24480-00
Kevin
24500-20
Kevin
24520-40
Kevin
24540-60
Kevin
24560-80
Kevin
24580-00
Kevin
24600-20
Kevin
24620-40
Kevin
24640-60
Kevin
24660-80
Kevin
24680-00
Kevin
24700-20
Kevin
24720-40
Kevin
24740-60
Kevin
24760-80
Kevin
24780-00
Kevin
24800-20
Kevin
24820-40
Kevin
24840-60
Kevin
24860-80
Kevin
24880-00
Kevin
24900-20
Kevin
24920-40
Kevin
24940-60
Kevin
24960-80
Kevin
24980-00
Kevin
25000-20
Kevin
25020-40
Kevin
25040-60
Kevin
25060-80
Kevin
25080-00
Kevin
25100-20
Kevin
25120-40
Kevin
25140-60
Kevin
25160-80
Kevin
25180-00
Kevin
25200-20
Kevin
25220-40
Kevin
25240-60
Kevin
25260-80
Kevin
25280-00
Kevin
25300-20
Kevin
25320-40
Kevin
25340-60
Kevin
25360-80
Kevin
25380-00
Kevin
25400-20
Kevin
25420-40
Kevin
25440-60
Kevin
25460-80
Kevin
25480-00
Kevin
25500-20
Kevin
25520-40
Kevin
25540-60
Kevin
25560-80
Kevin
25580-00
Kevin
25600-20
Kevin
25620-40
Kevin
25640-60
Kevin
25660-80
Kevin
25680-00
Kevin
25700-20
Kevin
25720-40
Kevin
25740-60
Kevin
25760-80
Kevin
25780-00
Kevin
25800-20
Kevin
25820-40
Kevin
25840-60
Kevin
25860-80
Kevin
25880-00
Kevin
25900-20
Kevin
25920-40
Kevin
25940-60
Kevin
25960-80
Kevin
25980-00
Kevin
26000-20
Eric
26020-40
Eric
26040-60
Eric
26060-80
Eric
26080-00
Eric
26100-20
Eric
26120-40
Eric
26140-60
Eric
26160-80
Eric
26180-00
Eric
26200-20
Tobias
26220-40
Andrew L
26240-60
Andrew
26260-80
Ken
26280-00
Bob
26300-20
Andrew
26320-40
Andrew
26340-60
Stéphane
26360-80
Bob
26380-00
Andrew
26400-20
Eric
26420-40
Eric
26440-60
Eric
26460-80
Eric
26480-00
Eric
26500-20
Eric
26520-40
Eric
26540-60
Eric
26560-80
Eric
26580-00
Eric
26600-20
Eric
26620-40
Eric
26640-60
Eric
26660-80
Eric
26680-00
Eric
26700-20
Eric
26720-40
Eric
26740-60
Eric
26760-80
Eric
26780-00
Eric
26800-20
Paul
26820-40
Paul
26840-60
José
26860-80
Bob
26880-00
Richard
26900-20
Richard
26920-40
José
26940-60
Andrew L
26960-80
Jeff
26980-00
Bob
27000-20
Kevin
27020-40
Kevin
27040-60
Kevin
27060-80
Kevin
27080-00
Kevin
27100-20
Kevin
27120-40
Kevin
27140-60
Kevin
27160-80
Kevin
27180-00
Kevin
27200-20
Kevin
27220-40
Kevin
27240-60
Kevin
27260-80
Kevin
27280-00
Kevin
27300-20
Kevin
27320-40
Kevin
27340-60
Kevin
27360-80
Kevin
27380-00
Kevin
27400-20
Kevin
27420-40
Kevin
27440-60
Kevin
27460-80
Kevin
27480-00
Kevin
27500-20
Kevin
27520-40
Kevin
27540-60
Kevin
27560-80
Kevin
27580-00
Kevin
27600-20
Kevin
27620-40
Kevin
27640-60
Kevin
27660-80
Kevin
27680-00
Kevin
27700-20
Kevin
27720-40
Kevin
27740-60
Kevin
27760-80
Kevin
27780-00
Kevin
27800-20
Kevin
27820-40
Kevin
27840-60
Kevin
27860-80
Kevin
27880-00
Kevin
27900-20
Kevin
27920-40
Kevin
27940-60
Kevin
27960-80
Kevin
27980-00
Kevin
28000-20
Kevin
28020-40
Kevin
28040-60
Kevin
28060-80
Kevin
28080-00
Kevin
28100-20
Kevin
28120-40
Kevin
28140-60
Kevin
28160-80
Kevin
28180-00
Kevin
28200-20
Kevin
28220-40
Kevin
28240-60
Kevin
28260-80
Kevin
28280-00
Kevin
28300-20
Kevin
28320-40
Kevin
28340-60
Kevin
28360-80
Kevin
28380-00
Kevin
28400-20
Kevin
28420-40
Kevin
28440-60
Kevin
28460-80
Kevin
28480-00
Kevin
28500-20
Kevin
28520-40
Kevin
28540-60
Kevin
28560-80
Kevin
28580-00
Kevin
28600-20
Kevin
28620-40
Kevin
28640-60
Kevin
28660-80
Kevin
28680-00
Kevin
28700-20
Kevin
28720-40
Kevin
28740-60
Kevin
28760-80
Kevin
28780-00
Kevin
28800-20
Kevin
28820-40
Kevin
28840-60
Kevin
28860-80
Kevin
28880-00
Kevin
28900-20
Kevin
28920-40
Kevin
28940-60
Kevin
28960-80
Kevin
28980-00
Kevin
29000-20
José
29020-40
Bob
29040-60
Tobias
29060-80
Ken
29080-00
Ken
29100-20
José
29120-40
José
29140-60
Lutz
29160-80
Paul
29180-00
Stéphane
29200-20
Michael V
29220-40
Michael V
29240-60
Michael V
29260-80
Michael V
29280-00
Eric
29300-20
Bob
29320-40
Bob
29340-60
Andrew L
29360-80
José
29380-00
José
29400-20
Tobias G
29420-40
Japke
29440-60
Tobias
29460-80
John G
29480-00
John G
29500-20
José
29520-40
José
29540-60
Bob
29560-80
Bob
29580-00
Tobias
29600-20
Eric
29620-40
Eric
29640-60
Eric
29660-80
Eric
29680-00
Eric
29700-20
Eric
29720-40
Eric
29740-60
Eric
29760-80
Eric
29780-00
Eric
29800-20
Eric
29820-40
Paul
29840-60
Eric
29860-80
José
29880-00
John G
29900-20
Eric
29920-40
Tobias
29940-60
Ken
29960-80
Ken
29980-00
José
30000-20
Bob
30020-40
Japke
30040-60
Bob
30060-80
Stéphane
30080-00
Jeff
30100-20
Jeff
30120-40
Eric
30140-60
Tobias
30160-80
Eric
30180-00
Tobias
30200-20
John G
30220-40
John G
30240-60
Bob
30260-80
José
30280-00
José
30300-20
Tobias
30320-40
Paul
30340-60
Bob
30360-80
Japke
30380-00
Tobias
30400-20
Eric
30420-40
Eric
30440-60
Eric
30460-80
Eric
30480-00
Eric
30500-20
Eric
30520-40
Eric
30540-60
Eric
30560-80
Eric
30580-00
Eric
30600-20
John G
30620-40
John G
30640-60
José
30660-80
José
30680-00
Stéphane
30700-20
Roberto
30720-40
Jeff
30740-60
Tobias
30760-80
José
30780-00
Tobias
30800-20
Eric
30820-40
Eric
30840-60
Eric
30860-80
Eric
30880-00
Eric
30900-20
Eric
30920-40
Eric
30940-60
Eric
30960-80
Eric
30980-00
Eric
31000-20
Kevin
31020-40
Kevin
31040-60
Kevin
31060-80
Kevin
31080-00
Kevin
31100-20
Kevin
31120-40
Kevin
31140-60
Kevin
31160-80
Kevin
31180-00
Kevin
31200-20
Kevin
31220-40
Kevin
31240-60
Kevin
31260-80
Kevin
31280-00
Kevin
31300-20
Kevin
31320-40
Kevin
31340-60
Kevin
31360-80
Kevin
31380-00
Kevin
31400-20
Kevin
31420-40
Kevin
31440-60
Kevin
31460-80
Kevin
31480-00
Kevin
31500-20
Kevin
31520-40
Kevin
31540-60
Kevin
31560-80
Kevin
31580-00
Kevin
31600-20
Kevin
31620-40
Kevin
31640-60
Kevin
31660-80
Kevin
31680-00
Kevin
31700-20
Kevin
31720-40
Kevin
31740-60
Kevin
31760-80
Kevin
31780-00
Kevin
31800-20
Kevin
31820-40
Kevin
31840-60
Kevin
31860-80
Kevin
31880-00
Kevin
31900-20
Kevin
31920-40
Kevin
31940-60
Kevin
31960-80
Kevin
31980-00
Kevin
32000-20
Kevin
32020-40
Kevin
32040-60
Kevin
32060-80
Kevin
32080-00
Kevin
32100-20
Kevin
32120-40
Kevin
32140-60
Kevin
32160-80
Kevin
32180-00
Kevin
32200-20
Kevin
32220-40
Kevin
32240-60
Kevin
32260-80
Kevin
32280-00
Kevin
32300-20
Kevin
32320-40
Kevin
32340-60
Kevin
32360-80
Kevin
32380-00
Kevin
32400-20
Kevin
32420-40
Kevin
32440-60
Kevin
32460-80
Kevin
32480-00
Kevin
32500-20
Kevin
32520-40
Kevin
32540-60
Kevin
32560-80
Kevin
32580-00
Kevin
32600-20
Kevin
32620-40
Kevin
32640-60
Kevin
32660-80
Kevin
32680-00
Kevin
32700-20
Kevin
32720-40
Kevin
32740-60
Kevin
32760-80
Kevin
32780-00
Kevin
32800-20
Kevin
32820-40
Kevin
32840-60
Kevin
32860-80
Kevin
32880-00
Kevin
32900-20
Kevin
32920-40
Kevin
32940-60
Kevin
32960-80
Kevin
32980-00
Kevin
33000-20
Ken
33020-40
Ken
33040-60
Lutz
33060-80
Bob
33080-00
Bob
33100-20
John G
33120-40
John G
33140-60
Roberto
33160-80
Tobias
33180-00
Tobias
33200-20
José
33220-40
José
33240-60
José
33260-80
José
33280-00
José
33300-20
Bob
33320-40
Bob
33340-60
Eric
33360-80
Stéphane
33380-00
Bob
33400-20
Eric
33420-40
Eric
33440-60
Eric
33460-80
Eric
33480-00
Eric
33500-20
Eric
33520-40
Eric
33540-60
Eric
33560-80
Eric
33580-00
Eric
33600-20
Eric
33620-40
Eric
33640-60
Eric
33660-80
Eric
33680-00
Eric
33700-20
Kevin
33720-40
Kevin
33740-60
Kevin
33760-80
Kevin
33780-00
Kevin
33800-20
John G
33820-40
John G
33840-60
Frank C
33860-80
Radek
33880-00
Peter
33900-20
Peter
33920-40
Bob
33940-60
Ken
33960-80
Ken
33980-00
Japke
34000-20
Lutz
34020-40
Bob
34040-60
Peter
34060-80
Peter
34080-00
Eric
34100-20
Bob
34120-40
Michael V
34140-60
Michael V
34160-80
Roberto
34180-00
Eric
34200-20
Stéphane
34220-40
Bob
34240-60
Peter
34260-80
Peter
34280-00
Eric
34300-20
Eric
34320-40
Eric
34340-60
Eric
34360-80
Eric
34380-00
Eric
34400-20
Eric
34420-40
Eric
34440-60
Eric
34460-80
Eric
34480-00
Eric
34500-20
Eric
34520-40
Eric
34540-60
Eric
34560-80
Eric
34580-00
Eric
34600-20
Eric
34620-40
Eric
34640-60
Eric
34660-80
Eric
34680-00
Eric
34700-20
Eric
34720-40
Eric
34740-60
Eric
34760-80
Eric
34780-00
Eric
34800-20
José
34820-40
José
34840-60
Bob
34860-80
John G
34880-00
John G
34900-20
Peter
34920-40
Peter
34940-60
Bob
34960-80
Kevin
34980-00
Kevin
35000-20
Kevin
35020-40
Kevin
35040-60
Kevin
35060-80
Kevin
35080-00
Kevin
35100-20
Kevin
35120-40
Kevin
35140-60
Kevin
35160-80
Kevin
35180-00
Kevin
35200-20
Kevin
35220-40
Kevin
35240-60
Japke
35260-80
Japke
35280-00
Kevin
35300-20
Kevin
35320-40
Kevin
35340-60
Kevin
35360-80
Kevin
35380-00
Kevin
35400-20
Kevin
35420-40
Kevin
35440-60
Kevin
35460-80
Kevin
35480-00
Kevin
35500-20
Kevin
35520-40
Kevin
35540-60
Kevin
35560-80
Kevin
35580-00
Kevin
35600-20
Kevin
35620-40
Kevin
35640-60
Kevin
35660-80
Kevin
35680-00
Kevin
35700-20
Kevin
35720-40
Kevin
35740-60
Kevin
35760-80
Kevin
35780-00
Kevin
35800-20
Kevin
35820-40
Kevin
35840-60
Kevin
35860-80
Kevin
35880-00
Kevin
35900-20
Kevin
35920-40
Kevin
35940-60
Kevin
35960-80
Kevin
35980-00
Kevin
36000-20
José
36020-40
José
36040-60
Ken
36060-80
Ken
36080-00
Ken
36100-20
Ken
36120-40
Eric
36140-60
Bob
36160-80
Peter
36180-00
Peter
36200-20
Lutz
36220-40
John G
36240-60
John G
36260-80
Stéphane
36280-00
Bob
36300-20
Bob
36320-40
Peter
36340-60
Peter
36360-80
Eric
36380-00
Bob
36400-20
Bob
36420-40
John G
36440-60
John G
36460-80
Eric
36480-00
Peter
36500-20
Peter
36520-40
Peter
36540-60
Peter
36560-80
Ken
36580-00
Ken
36600-20
Eric
36620-40
Eric
36640-60
Eric
36660-80
Eric
36680-00
Eric
36700-20
Eric
36720-40
Eric
36740-60
Eric
36760-80
Eric
36780-00
Eric
36800-20
Eric
36820-40
Eric
36840-60
Eric
36860-80
Eric
36880-00
Eric
36900-20
Eric
36920-40
Eric
36940-60
Eric
36960-80
Eric
36980-00
Eric
37000-20
Eric
37020-40
Lutz
37040-60
Bob
37060-80
Eric
37080-00
Stéphane
37100-20
Bob
37120-40
Peter
37140-60
Peter
37160-80
John G
37180-00
John G
37200-20
Bob
37220-40
Eric
37240-60
Michael V
37260-80
Peter
37280-00
Peter
37300-20
Bob
37320-40
Bob
37340-60
Ken
37360-80
Ken
37380-00
Stéphane
37400-20
Lutz
37420-40
Bob
37440-60
Bob
37460-80
John G
37480-00
John G
37500-20
Eric
37520-40
José
37540-60
José
37560-80
Peter
37580-00
Peter
37600-20
Eric
37620-40
Eric
37640-60
Eric
37660-80
Eric
37680-00
Eric
37700-20
Eric
37720-40
Eric
37740-60
Eric
37760-80
Eric
37780-00
Eric
37800-20
Eric
37820-40
Eric
37840-60
Eric
37860-80
Eric
37880-00
Eric
37900-20
Eric
37920-40
Eric
37940-60
Eric
37960-80
Eric
37980-00
Eric
38000-20
Kevin
38020-40
Kevin
38040-60
Kevin
38060-80
Kevin
38080-00
Kevin
38100-20
Kevin
38120-40
Kevin
38140-60
Kevin
38160-80
Kevin
38180-00
Kevin
38200-20
Kevin
38220-40
Kevin
38240-60
Kevin
38260-80
Kevin
38280-00
Kevin
38300-20
Kevin
38320-40
Kevin
38340-60
Kevin
38360-80
Kevin
38380-00
Kevin
38400-20
Kevin
38420-40
Kevin
38440-60
Kevin
38460-80
Kevin
38480-00
Kevin
38500-20
Kevin
38520-40
Kevin
38540-60
Kevin
38560-80
Kevin
38580-00
Kevin
38600-20
Kevin
38620-40
Kevin
38640-60
Kevin
38660-80
Kevin
38680-00
Kevin
38700-20
Kevin
38720-40
Kevin
38740-60
Kevin
38760-80
Kevin
38780-00
Kevin
38800-20
Kevin
38820-40
Kevin
38840-60
Kevin
38860-80
Kevin
38880-00
Kevin
38900-20
Kevin
38920-40
Kevin
38940-60
Kevin
38960-80
Kevin
38980-00
Kevin
39000-20
Bob
39020-40
José
39040-60
José
39060-80
Stéphane
39080-00
Bob
39100-20
John G
39120-40
John G
39140-60
Eric
39160-80
Peter
39180-00
Peter
39200-20
José
39220-40
José
39240-60
John W
39260-80
Veky
39280-00
Ronald
39300-20
Peter
39320-40
Bob
39340-60
Bob
39360-80
Lutz
39380-00
Peter
39400-20
Eric
39420-40
Eric
39440-60
Eric
39460-80
Eric
39480-00
Eric
39500-20
Eric
39520-40
Eric
39540-60
Eric
39560-80
Eric
39580-00
Eric
39600-20
Eric
39620-40
Eric
39640-60
Eric
39660-80
Eric
39680-00
Eric
39700-20
Eric
39720-40
Eric
39740-60
Eric
39760-80
Eric
39780-00
Eric
39800-20
Eric
39820-40
Eric
39840-60
Eric
39860-80
Eric
39880-00
Eric
39900-20
Eric
39920-40
Eric
39940-60
Eric
39960-80
Eric
39980-00
Eric
Contributions by
EricEric Roosendaal, Netherlands (author) LutzLutz Nebe, Germany
ThomasThomas Nøkleby, Norway KevinKevin Hebb, Alberta, Canada
KenKen Monks, Pennsylvania, USA JeffJean-François Peltier, France
DerekDerek Gordon, Maryland, USA JoséJosé Alves-Pinto, Portugal
JapkeJapke Rosink, Netherlands JürgenJürgen Bethke, Germany
RalphRalph Schaer, Switzerland RichardRichard Farmbrough, England
AndrewAndrew Mihov, Bulgaria StéphaneStéphane Hougue, France
PaulPaul Harris, USA Michael VMichael Vielhaber, Chile
TobiasTobias Bergmann, Germany RobertoRoberto Jardim, Portugal
BobBob Coffman, USA Thomas WThomas Wohlfarth, Germany
Andrew LAndrew Lau, Hong Kong Tobias GTobias Grünewald, Germany
John GJohn Goodman, Mass, USA Frank CFrank Clowes
RadekRadek Usak, Czechia PeterPeter Strohmeier, Germany
John WJohn Whitehouse VekyVeky, Croatia
RonaldRonald Plumb   

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