19 October 2025

• curprev 18:4718:47, 19 October 2025 Mathloveryeah talk contribs 5,449 bytes +44 →See Also

8 October 2024

• curprev 20:4420:44, 8 October 2024 Savageboy talk contribs 5,405 bytes −1 →Solution 4 (Arithmetic Sequence)

17 August 2024

• curprev 12:4312:43, 17 August 2024 Cyantist talk contribs 5,406 bytes +34 →Solution 5 (Characteristic Equation - Overkill but Generic)
• curprev 12:0112:01, 17 August 2024 Cyantist talk contribs 5,372 bytes +1,157 →Solution 4 (Arithmetic Sequence)

23 July 2024

• curprev 09:2809:28, 23 July 2024 Mismatchedcubing talk contribs 4,215 bytes −95 →Video Solution (Meta-Solving Technique)
• curprev 09:2809:28, 23 July 2024 Mismatchedcubing talk contribs 4,310 bytes −85 →Video Solution

20 November 2023

• curprev 07:1107:11, 20 November 2023 Kscv talk contribs m 4,395 bytes +2 →Solution 2
• curprev 07:1107:11, 20 November 2023 Kscv talk contribs m 4,393 bytes +3 →Solution 2

29 October 2023

• curprev 10:3110:31, 29 October 2023 Arjun.s talk contribs m 4,390 bytes +1 →Solution 4 (Arithmetic Sequence)

15 November 2022

• curprev 19:3119:31, 15 November 2022 Dolphindesigner talk contribs 4,389 bytes −131 →Solution 2

5 November 2021

• curprev 21:5921:59, 5 November 2021 Johnkong talk contribs 4,520 bytes +1 →Solution 4 (Arithmetic Sequence)
• curprev 21:5921:59, 5 November 2021 Johnkong talk contribs 4,519 bytes +20 →Solution 4 (Arithmetic Sequence)

2 November 2021

• curprev 19:2519:25, 2 November 2021 Puffer13 talk contribs m 4,499 bytes 0 →Solution 5 (Arithmetic Sequence)
• curprev 19:2519:25, 2 November 2021 Puffer13 talk contribs m 4,499 bytes −1,035 →Solution 4 (Not rigorous at all)

26 September 2021

• curprev 13:4013:40, 26 September 2021 Professor-mom talk contribs 5,534 bytes +16 →Solution 5 (Arithmetic Sequence)
• curprev 13:3813:38, 26 September 2021 Professor-mom talk contribs 5,518 bytes −26 →Solution 5 (Arithmetic Sequence)
• curprev 13:3713:37, 26 September 2021 Professor-mom talk contribs 5,544 bytes +856 →Solution 4 (Not rigorous at all)

24 January 2021

• curprev 21:0221:02, 24 January 2021 Pi is 3.14 talk contribs 4,688 bytes +93 →Video Solution

27 December 2020

• curprev 14:4014:40, 27 December 2020 Carrot karen talk contribs m 4,595 bytes 0 →Solution 4 (Not rigorous at all)

22 November 2020

• curprev 21:4821:48, 22 November 2020 Thestudyofeverything talk contribs 4,595 bytes +87 →Solution 1 (Induction)

26 August 2020

• curprev 10:3410:34, 26 August 2020 Summer279 talk contribs m 4,508 bytes 0 →Solution 4 (Not rigorous at all)

24 August 2020

• curprev 20:1320:13, 24 August 2020 Coolmath2017 talk contribs 4,508 bytes −179 →Solution 5

28 April 2020

• curprev 19:5519:55, 28 April 2020 Lcz talk contribs 4,687 bytes +179 →Solution 4 (Not rigorous at all)

28 March 2020

• curprev 18:2618:26, 28 March 2020 Ericshi1685 talk contribs 4,508 bytes −2 →Solution 4 (Not rigorous at all)

12 February 2020

• curprev 14:3914:39, 12 February 2020 Ericshi1685 talk contribs 4,510 bytes 0 →Solution 4 (Not rigorous at all)
• curprev 14:3814:38, 12 February 2020 Ericshi1685 talk contribs 4,510 bytes +91 →Solution 4 (Not rigorous at all)
• curprev 14:3714:37, 12 February 2020 Ericshi1685 talk contribs 4,419 bytes +297 →Solution 4 (Not rigorous at all)
• curprev 14:3514:35, 12 February 2020 Ericshi1685 talk contribs 4,122 bytes +7 →Solution 4 (Not rigorous at all)
• curprev 14:3414:34, 12 February 2020 Ericshi1685 talk contribs 4,115 bytes +12 →Solution 4 (Not rigorous at all)
• curprev 14:3414:34, 12 February 2020 Ericshi1685 talk contribs 4,103 bytes +4 →Solution 4 (Not rigorous at all)
• curprev 14:3314:33, 12 February 2020 Ericshi1685 talk contribs 4,099 bytes +14 →Solution 4 (Not rigorous at all)
• curprev 14:3314:33, 12 February 2020 Ericshi1685 talk contribs 4,085 bytes +40 →Solution 4 (Not rigorous at all)
• curprev 14:3314:33, 12 February 2020 Ericshi1685 talk contribs 4,045 bytes +96 →Solution 4 (Not rigorous at all)
• curprev 14:3214:32, 12 February 2020 Ericshi1685 talk contribs 3,949 bytes +476 →Solution 3

5 January 2020

• curprev 00:5600:56, 5 January 2020 Shurong.ge talk contribs 3,473 bytes +12 →Solution 1

25 March 2019

• curprev 20:5620:56, 25 March 2019 Eric2020 talk contribs 3,461 bytes +11 →Solution 2

19 March 2019

• curprev 09:0109:01, 19 March 2019 The jake314 talk contribs 3,450 bytes +10 →Solution 3
• curprev 09:0109:01, 19 March 2019 The jake314 talk contribs 3,440 bytes +932 No edit summary

26 February 2019

• curprev 23:5723:57, 26 February 2019 Sevenoptimus talk contribs m 2,508 bytes +79 Improved formatting and clarity
• curprev 16:1916:19, 26 February 2019 Flashzap talk contribs m 2,429 bytes 0 →Solution 2

17 February 2019

• curprev 20:2920:29, 17 February 2019 Sevenoptimus talk contribs m 2,429 bytes −35 Removed irrelevant attribution

10 February 2019

• curprev 16:0916:09, 10 February 2019 Twinemma talk contribs m 2,464 bytes +1 No edit summary

9 February 2019

• curprev 22:3522:35, 9 February 2019 Rainbowbatman talk contribs m 2,463 bytes 0 →Solution 2
• curprev 18:5318:53, 9 February 2019 Eric2020 talk contribs 2,463 bytes −3 →Solution 2
• curprev 18:1218:12, 9 February 2019 Eric2020 talk contribs m 2,466 bytes +1 →Solution 2
• curprev 18:1118:11, 9 February 2019 Eric2020 talk contribs 2,465 bytes +10 →Solution 2
• curprev 17:4117:41, 9 February 2019 Eric2020 talk contribs m 2,455 bytes +1 →Solution 2
• curprev 17:4117:41, 9 February 2019 Eric2020 talk contribs m 2,454 bytes +29 →Solution 2
• curprev 17:4017:40, 9 February 2019 Eric2020 talk contribs m 2,425 bytes −1 →Solution 2
• curprev 17:4017:40, 9 February 2019 Eric2020 talk contribs 2,426 bytes +25 →Solution 2