9 September 2025

• curprev 14:0214:02, 9 September 2025 Daijobu talk contribs m 13,633 bytes +171 No edit summary

28 November 2024

• curprev 16:3916:39, 28 November 2024 Mathboy282 talk contribs 13,462 bytes +56 →Solution 1
• curprev 16:3816:38, 28 November 2024 Mathboy282 talk contribs 13,406 bytes +60 →Solutions
• curprev 16:3716:37, 28 November 2024 Mathboy282 talk contribs 13,346 bytes +58 →Solution 1

31 July 2024

• curprev 22:4822:48, 31 July 2024 Pro1234 talk contribs m 13,288 bytes 0 →Solution 1

5 December 2022

• curprev 22:3022:30, 5 December 2022 The 76923th talk contribs 13,288 bytes 0 →Solution 1

20 December 2021

• curprev 02:1702:17, 20 December 2021 Mathtiger6 talk contribs 13,288 bytes +32 No edit summary

29 June 2021

• curprev 21:2021:20, 29 June 2021 E.d talk contribs m 13,256 bytes 0 Fixed a minor error near the end - since the sequence is a0, a1, a2, ... , the third term would be a2, not a3.

15 April 2021

• curprev 17:4617:46, 15 April 2021 Advancedjus talk contribs 13,256 bytes 0 No edit summary
• curprev 17:4517:45, 15 April 2021 Advancedjus talk contribs 13,256 bytes +1 No edit summary

4 March 2021

• curprev 14:3614:36, 4 March 2021 Shihan talk contribs 13,255 bytes +1,945 →Solutions

12 December 2020

• curprev 20:0820:08, 12 December 2020 Smileymittens talk contribs 11,310 bytes +13 →Problem

16 April 2020

• curprev 11:0211:02, 16 April 2020 Anellipticcurveoverq talk contribs 11,297 bytes −3 →Solution 5 (using limits)
• curprev 11:0011:00, 16 April 2020 Anellipticcurveoverq talk contribs 11,300 bytes +12 →Solution 5 (using limits)
• curprev 10:5710:57, 16 April 2020 Anellipticcurveoverq talk contribs 11,288 bytes −63 →Solution 5 (using limits)
• curprev 10:5510:55, 16 April 2020 Anellipticcurveoverq talk contribs 11,351 bytes +1 →Solution 5 (using limits)
• curprev 10:5410:54, 16 April 2020 Anellipticcurveoverq talk contribs 11,350 bytes +5 →Solution 5 (using limits)
• curprev 10:5310:53, 16 April 2020 Anellipticcurveoverq talk contribs 11,345 bytes 0 →Solution 5 (using limits)
• curprev 10:5210:52, 16 April 2020 Anellipticcurveoverq talk contribs 11,345 bytes +12 →Solution 5 (using limits)

5 April 2020

• curprev 11:4911:49, 5 April 2020 Ilikeapos talk contribs m 11,333 bytes +1 →Problem

27 December 2019

• curprev 01:0401:04, 27 December 2019 Anellipticcurveoverq talk contribs 11,332 bytes +21 →Problem
• curprev 00:2100:21, 27 December 2019 Anellipticcurveoverq talk contribs 11,311 bytes +2,855 No edit summary

1 November 2018

• curprev 06:4506:45, 1 November 2018 P groudon talk contribs 8,456 bytes +121 No edit summary

2 February 2018

• curprev 23:2323:23, 2 February 2018 ExuberantGPACN talk contribs m 8,335 bytes −4 →Solution 4 (pure algebra)

26 January 2017

• curprev 01:4301:43, 26 January 2017 IMOJonathan talk contribs 8,339 bytes +1 →Solution 4 (pure algebra)
• curprev 01:0401:04, 26 January 2017 IMOJonathan talk contribs 8,338 bytes +17 →Solution 4
• curprev 01:0301:03, 26 January 2017 IMOJonathan talk contribs 8,321 bytes +1,474 No edit summary

14 December 2016

• curprev 10:5110:51, 14 December 2016 Shyen1998 talk contribs 6,847 bytes +1,788 Add a solution to a more elementary and rigorous solution to a slightly generalized version.

2 March 2016

• curprev 23:5723:57, 2 March 2016 Tigershark22 talk contribs 5,059 bytes −16 →Solution: fix for real this time

25 January 2014

• curprev 18:4118:41, 25 January 2014 Mathgeek2006 talk contribs m 5,075 bytes +21 No edit summary
• curprev 18:4018:40, 25 January 2014 Mathgeek2006 talk contribs 5,054 bytes +3,557 →Solution

4 July 2013

• curprev 19:1119:11, 4 July 2013 Nathan wailes talk contribs 1,497 bytes +15 No edit summary

19 January 2008

• curprev 17:0917:09, 19 January 2008 ZzZzZzZzZzZz talk contribs 1,482 bytes +45 →Solution

9 September 2007

• curprev 20:4420:44, 9 September 2007 Azjps talk contribs m 1,437 bytes +26 →Solution

15 March 2007

• curprev 20:0520:05, 15 March 2007 Azjps talk contribs m 1,411 bytes +1,411 solution from probability1.01