Wheat and chessboard problem: Revision history

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curprev 01:0401:04, 28 March 2025 CodeTalker talk contribs 11,788 bytes +4 Reverted 1 edit by 47.152.8.140 (talk): Incorrect undo Tags: Twinkle Undo
curprev 00:3400:34, 28 March 2025 47.152.8.140 talk 11,784 bytes −4 The image explanation assumes you start at 2¹-1 grains of rice when in fact you start from 2⁰. Otherwise there would be odd numbers after the first grain. undo Tags: Reverted Mobile edit Mobile web edit

curprev 23:1423:14, 28 February 2025 Hussierhussier1 talk contribs 11,788 bytes −21 →Origins undo Tag: Visual edit

curprev 06:4506:45, 5 January 2025 126.4.244.125 talk 11,809 bytes −361 These numbers don't seem right at all to me -- there should only be about 10^7 or 10^8 grains per ton; 10^8 * 784^8 (per link) gives only 7.84 * 10^17, far far less than 1/2000 undo Tag: references removed

curprev 04:5504:55, 23 December 2024 Quale talk contribs 12,170 bytes −1 Undid revision 1264682540 by 2405:201:C04D:5803:AD2B:C925:A5EE:99BC (talk) - it was correct undo Tag: Undo
curprev 00:1600:16, 23 December 2024 2405:201:c04d:5803:ad2b:c925:a5ee:99bc talk 12,171 bytes +1 Mathematical error undo Tags: Reverted Mobile edit Mobile web edit

curprev 16:0216:02, 17 December 2024 Sheila1988 talk contribs 12,170 bytes +85 linkier undo

curprev 09:1409:14, 19 November 2024 Yann talk contribs m 12,085 bytes +28 Reverted edit by 209.159.252.17 (talk) to last version by Quale undo Tag: Rollback
curprev 03:5603:56, 19 November 2024 209.159.252.17 talk 12,057 bytes −28 Fixed mathematical error undo Tags: Reverted Mobile edit Mobile web edit

curprev 06:2506:25, 8 October 2024 Quale talk contribs 12,085 bytes +8 Undid revision 1249985985 by 73.16.20.173 (talk) - the first square has one grain so the total is always odd undo Tags: Undo Mobile edit Mobile web edit Advanced mobile edit

curprev 21:4221:42, 7 October 2024 73.16.20.173 talk 12,077 bytes −8 Not sure why -1 one was included there. If you double any number any number of time, it will result in an even number. undo Tag: Reverted

curprev 00:2800:28, 6 August 2024 Orchastrattor talk contribs 12,085 bytes +11 →External links undo

curprev 13:4013:40, 30 June 2024 AntiDionysius talk contribs m 12,074 bytes −1 Reverted edit by 24.206.97.237 (talk) to last version by 192.41.114.225 undo Tag: Rollback
curprev 13:3813:38, 30 June 2024 24.206.97.237 talk 12,075 bytes +1 No edit summary undo Tags: Reverted Visual edit

curprev 16:5016:50, 28 June 2024 192.41.114.225 talk 12,074 bytes 0 →Second half of the chessboard undo

curprev 14:2314:23, 27 June 2024 Plantsurfer talk contribs 12,074 bytes −41 Reverted 1 edit by 2001:4479:1B02:E600:46C6:A23C:D2EF:461B (talk): Unnecessary undo Tags: Twinkle Undo
curprev 11:4811:48, 27 June 2024 2001:4479:1b02:e600:46c6:a23c:d2ef:461b talk 12,115 bytes +41 Edit done by rayquazaorhoers (Flight rising username) undo Tag: Reverted

curprev 02:2302:23, 27 May 2024 Voorts talk contribs m 12,074 bytes −283 Rollback edit(s) by Rassyndale (talk): No reliable source (UV 0.1.5) undo Tags: Ultraviolet Rollback
curprev 02:2302:23, 27 May 2024 Rassyndale talk contribs m 12,357 bytes +283 Use in popular culture. undo Tag: Reverted

curprev 18:4318:43, 10 May 2024 Tuckerresearch talk contribs m 12,074 bytes −2 →Use undo

curprev 18:3118:31, 25 April 2024 InternetArchiveBot talk contribs 12,076 bytes +138 Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.9.5) (Whoop whoop pull up - 19076 undo

curprev 21:5221:52, 16 February 2024 CodeTalker talk contribs 11,938 bytes −654 this has nothing to do with the W+C problem. Not every instance of repeated doubling is a reference to W+C, and the cited source does not mention it. undo
curprev 21:4721:47, 16 February 2024 CodeTalker talk contribs 12,592 bytes 0 Reverted 2 edits by 83.253.72.147 (talk): Incorrect undo Tags: Twinkle Undo
curprev 21:3521:35, 16 February 2024 83.253.72.147 talk 12,592 bytes 0 No edit summary undo Tag: Reverted
curprev 21:3421:34, 16 February 2024 83.253.72.147 talk 12,592 bytes 0 The calculation of rice grains on the sixty-fourth square undo Tag: Reverted

curprev 01:0501:05, 14 January 2024 108.52.119.227 talk 12,420 bytes 0 Undid revision 1195481695 by 108.52.119.227 (talk) undo Tag: Undo
curprev 01:0301:03, 14 January 2024 108.52.119.227 talk 12,420 bytes 0 capitalize undo Tags: Reverted Visual edit

curprev 08:3208:32, 4 December 2023 Brusquedandelion talk contribs 12,420 bytes +316 →Use: Fixed incorrect citation for claim about Knuth's reward scheme in "Use" section (previously pointed to the Mathematica article that defined the wheat and chessboard problem, with no reference to Knuth or his reward progrM). undo Tags: Mobile edit Mobile web edit

curprev 04:3104:31, 23 November 2023 CodeTalker talk contribs 12,104 bytes −330 Reverted 1 edit by GreadyScum (talk): Unsourced and not really helpful (where do these numbers come from?) undo Tags: Twinkle Undo
curprev 03:4903:49, 23 November 2023 GreadyScum talk contribs 12,434 bytes +330 Added another formula to calculate amount of grain. added formula to graph undo Tags: Reverted Visual edit

curprev 00:1800:18, 25 October 2023 2601:40d:8200:f050:55f0:d2a0:c357:769c talk 12,104 bytes 0 →Second half of the chessboard: Fixed parenthesis location undo Tags: Mobile edit Mobile web edit

curprev 16:0816:08, 27 September 2023 Citation bot talk contribs 12,104 bytes −16 Removed parameters. | Use this bot. Report bugs. | #UCB_CommandLine undo

curprev 06:3906:39, 21 September 2023 135.180.184.134 talk 12,120 bytes +1 No edit summary undo

curprev 02:3502:35, 17 August 2023 Quale talk contribs 12,119 bytes +330 Undid revision 1170742767 by 2601:40F:500:4200:301F:18E1:9495:C27E (talk) - was correct before undo Tags: Undo Mobile edit Mobile web edit Advanced mobile edit

curprev 23:0623:06, 16 August 2023 2601:40f:500:4200:301f:18e1:9495:c27e talk 11,789 bytes −330 THERE ARE 64 chess squares so 2^(63) is the answer. not 64. undo Tags: Reverted Mobile edit Mobile web edit

curprev 07:2207:22, 12 August 2023 Quale talk contribs 12,119 bytes 0 Undid revision 1169935367 by 2607:9880:21D0:30:3188:DD6:9AFA:DEE1 (talk) undo Tag: Undo
curprev 07:0807:08, 12 August 2023 2607:9880:21d0:30:3188:dd6:9afa:dee1 talk 12,119 bytes 0 Fixed typo undo Tags: Reverted canned edit summary Mobile edit Mobile app edit

curprev 02:3002:30, 9 July 2023 Biotech9 talk contribs m 12,119 bytes +27 Added 'The Limits of Growth' (Club of Rome) undo

curprev 20:2120:21, 7 June 2023 CodeTalker talk contribs 12,092 bytes −1,407 Reverted 3 edits by 90.247.201.144 (talk): Unsourced addition undo Tags: Twinkle Undo
curprev 20:2020:20, 7 June 2023 90.247.201.144 talk 13,499 bytes +465 →Origins undo Tags: Reverted Mobile edit Mobile web edit
curprev 20:1720:17, 7 June 2023 90.247.201.144 talk 13,034 bytes +12 No edit summary undo Tags: Reverted Mobile edit Mobile web edit
curprev 20:1620:16, 7 June 2023 90.247.201.144 talk 13,022 bytes +930 →Origins undo Tags: Reverted Mobile edit Mobile web edit

curprev 06:1906:19, 1 June 2023 Norman21 talk contribs 12,092 bytes 0 Reverted 1 edit by 104.5.117.116 (talk): Previous was correct. undo Tags: Twinkle Undo
curprev 05:0805:08, 1 June 2023 104.5.117.116 talk 12,092 bytes 0 No edit summary undo Tag: Reverted

curprev 04:3204:32, 10 April 2023 Tamfang talk contribs 12,092 bytes −4 →Use: ce undo

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