31 October 2025

• curprev 17:0717:07, 31 October 2025 Giratina3 talk contribs m 15,556 bytes +116 →Note

8 September 2025

• curprev 21:1921:19, 8 September 2025 Jb2015007 talk contribs 15,440 bytes +2 →Solution 10 (Recursion)
• curprev 21:1721:17, 8 September 2025 Jb2015007 talk contribs 15,438 bytes +1,496 →Solution 9

1 September 2025

• curprev 06:0406:04, 1 September 2025 Rolt talk contribs 13,942 bytes +235 →Solution 1 (Recursion)

30 August 2025

• curprev 17:2917:29, 30 August 2025 Avibatra talk contribs 13,707 bytes −63 →Video Solution 2
• curprev 17:1217:12, 30 August 2025 Avibatra talk contribs 13,770 bytes +63 →Video Solution 2
• curprev 17:1117:11, 30 August 2025 Avibatra talk contribs 13,707 bytes −83 →Video Solution 2
• curprev 17:0917:09, 30 August 2025 Avibatra talk contribs 13,790 bytes +83 →Video Solution 2

17 August 2025

• curprev 20:1320:13, 17 August 2025 Avibatra talk contribs 13,707 bytes −23 →Video Solution 1
• curprev 20:1320:13, 17 August 2025 Avibatra talk contribs 13,730 bytes −58 →Video Solution 2
• curprev 20:1320:13, 17 August 2025 Avibatra talk contribs 13,788 bytes +81 →Video Solution 2
• curprev 20:0920:09, 17 August 2025 Avibatra talk contribs 13,707 bytes +80 →Video Solution

12 December 2024

• curprev 15:1615:16, 12 December 2024 Wiselion talk contribs 13,627 bytes +24 →Solution 9
• curprev 13:2313:23, 12 December 2024 Wiselion talk contribs 13,603 bytes +1,000 →Video Solution by OmegaLearn

29 November 2024

• curprev 13:1613:16, 29 November 2024 Asops talk contribs 12,603 bytes −307 →Solution 5 (Constructive Counting)

14 November 2024

• curprev 19:0019:00, 14 November 2024 Wiselion talk contribs 12,910 bytes −643 →Video Solution by OmegaLearn
• curprev 18:5918:59, 14 November 2024 Wiselion talk contribs 13,553 bytes +643 →Video Solution by OmegaLearn

25 August 2024

• curprev 17:4217:42, 25 August 2024 Cla talk contribs m 12,910 bytes +551 →Solution 8 (Sequence Dividing and Path Counting)
• curprev 12:3512:35, 25 August 2024 Cc2010cc2015 talk contribs 12,359 bytes +141 →Solution 8 (Sequence Dividing and Path Counting)
• curprev 12:3212:32, 25 August 2024 Cc2010cc2015 talk contribs 12,218 bytes +34 →Solution 8 (Sequence Dividing and Path Counting)
• curprev 12:3012:30, 25 August 2024 Cc2010cc2015 talk contribs 12,184 bytes +25 →Solution 8 (Sequence Dividing and Path Counting)
• curprev 12:3012:30, 25 August 2024 Cc2010cc2015 talk contribs 12,159 bytes +6 →Solution 8 (Sequence Dividing and Path Counting)
• curprev 12:2812:28, 25 August 2024 Cc2010cc2015 talk contribs 12,153 bytes +23 →Solution 8 (Sequence Dividing and Path Counting)
• curprev 12:2712:27, 25 August 2024 Cc2010cc2015 talk contribs 12,130 bytes +17 →Solution 8 (sequence dividing)
• curprev 12:2512:25, 25 August 2024 Cc2010cc2015 talk contribs 12,113 bytes +760 No edit summary
• curprev 12:0912:09, 25 August 2024 Cc2010cc2015 talk contribs 11,353 bytes +3 →Solution 7 (Quick Solution by Estimati
• curprev 12:0812:08, 25 August 2024 Cc2010cc2015 talk contribs 11,350 bytes −3 →Solution 7 (Quick Solution by Estimating)

15 July 2024

• curprev 10:5910:59, 15 July 2024 Goldroman talk contribs 11,353 bytes +9 →Solution 7 (Quick Solution by Estimating)
• curprev 10:5810:58, 15 July 2024 Goldroman talk contribs 11,344 bytes −12 No edit summary
• curprev 10:5710:57, 15 July 2024 Goldroman talk contribs 11,356 bytes +26 →Solution 7 (Quick Solution by Estimating)
• curprev 10:5610:56, 15 July 2024 Goldroman talk contribs 11,330 bytes +26 →Solution 7 (Quick Solution by Estimating)

27 February 2024

• curprev 10:5110:51, 27 February 2024 Happysharks talk contribs 11,304 bytes +67 →Solution 7 (Quick Solution by Estimating)
• curprev 10:4810:48, 27 February 2024 Happysharks talk contribs 11,237 bytes +325 Solution 7
• curprev 10:4610:46, 27 February 2024 Happysharks talk contribs 10,912 bytes −254 moving the quick summary to a new section

18 October 2023

• curprev 20:3220:32, 18 October 2023 Michaellin16 talk contribs m 11,166 bytes −8 →Solution 5 (Constructive Counting)
• curprev 20:2920:29, 18 October 2023 Michaellin16 talk contribs m 11,174 bytes +26 →Solution 5 (Constructive Counting)
• curprev 20:2720:27, 18 October 2023 Michaellin16 talk contribs 11,148 bytes +236 →Solution 5 (Constructive Counting): +Tree Diagram
• curprev 20:2020:20, 18 October 2023 Michaellin16 talk contribs m 10,912 bytes −1 →Solution 5 (Constructive Counting)

9 October 2023

• curprev 16:5116:51, 9 October 2023 Crazyvideogamez talk contribs 10,913 bytes +78 →Solution 1 (Recursion)
• curprev 16:5016:50, 9 October 2023 Crazyvideogamez talk contribs 10,835 bytes +16 →Solution 1 (Recursion)
• curprev 16:5016:50, 9 October 2023 Crazyvideogamez talk contribs 10,819 bytes −469 →Solution 1 (Recursion)
• curprev 16:4116:41, 9 October 2023 Crazyvideogamez talk contribs m 11,288 bytes +540 Reword certain parts and give a more rigorous proof of why this must be the case

3 October 2023

• curprev 22:0522:05, 3 October 2023 Izzychess talk contribs 10,748 bytes +1 →Solution 1 (Recursion)

4 November 2022

• curprev 04:4004:40, 4 November 2022 Pi is 3.14 talk contribs 10,747 bytes +84 →Video Solution

17 October 2022

• curprev 18:4618:46, 17 October 2022 John0412 talk contribs m 10,663 bytes +3 →Solution 4 (similar to #3)

6 February 2022

• curprev 17:3517:35, 6 February 2022 Thisusernameistaken talk contribs 10,660 bytes +51 No edit summary

5 February 2022

• curprev 10:2510:25, 5 February 2022 Junche talk contribs 10,609 bytes +22 No edit summary

28 December 2021

• curprev 08:3208:32, 28 December 2021 Isabelchen talk contribs m 10,587 bytes +65 →Solution 6 (Recursion)

23 December 2021

• curprev 08:3908:39, 23 December 2021 Isabelchen talk contribs m 10,522 bytes 0 →Solution 6 (Recursion)
• curprev 08:1308:13, 23 December 2021 Isabelchen talk contribs m 10,522 bytes +52 →Solution 6 (Recursion)