3 December 2024

• curprev 22:2922:29, 3 December 2024 Liugra001 talk contribs 2,498 bytes +486 →Solution 2 (Adding but somewhat more concise)

18 June 2022

• curprev 14:3414:34, 18 June 2022 Sehgalsh talk contribs m 2,012 bytes +87 →Solution 2 (Adding but somewhat more concise)

29 July 2021

• curprev 16:1016:10, 29 July 2021 Putu2003 talk contribs m 1,925 bytes 0 →Solution 1
• curprev 16:0616:06, 29 July 2021 Putu2003 talk contribs m 1,925 bytes +7 →Solution 1

15 February 2021

• curprev 17:1917:19, 15 February 2021 Etvat talk contribs m 1,918 bytes +1 No edit summary

27 December 2020

• curprev 23:1523:15, 27 December 2020 Corgiarmy talk contribs 1,917 bytes +82 →Solution 2 (Adding but somewhat more concise)
• curprev 23:1423:14, 27 December 2020 Corgiarmy talk contribs 1,835 bytes +509 →Solution

22 July 2020

• curprev 15:4715:47, 22 July 2020 Savannahsolver talk contribs 1,326 bytes +47 →Video Solution

5 May 2020

• curprev 01:4201:42, 5 May 2020 Icematrix talk contribs m 1,279 bytes +67 No edit summary

21 March 2016

• curprev 10:3510:35, 21 March 2016 Brone talk contribs m 1,212 bytes −5 →Solution

17 February 2016

• curprev 16:5516:55, 17 February 2016 Hesa57 talk contribs m 1,217 bytes +16 →Solution
• curprev 16:5416:54, 17 February 2016 Hesa57 talk contribs m 1,201 bytes +69 No edit summary

9 February 2016

• curprev 20:1520:15, 9 February 2016 Abvenkgoo talk contribs 1,132 bytes +45 →Solution
• curprev 20:1420:14, 9 February 2016 Abvenkgoo talk contribs 1,087 bytes +182 →Solution
• curprev 20:1320:13, 9 February 2016 Abvenkgoo talk contribs 905 bytes +105 →Solution

4 February 2016

• curprev 11:5911:59, 4 February 2016 Swe1 talk contribs m 800 bytes +45 Added 12A box

3 February 2016

• curprev 18:4618:46, 3 February 2016 Benq talk contribs 755 bytes +359 No edit summary
• curprev 17:5517:55, 3 February 2016 Math101010 talk contribs 396 bytes +396 Created page with "A triangular array of <math>2016</math> coins has <math>1</math> coin in the first row, <math>2</math> coins in the second row, <math>3</math> coins in the third row, and so o..."