25 May 2025

• curprev 20:1520:15, 25 May 2025 Judokid talk contribs m 6,637 bytes −36 No edit summary
• curprev 20:1320:13, 25 May 2025 Judokid talk contribs m 6,673 bytes +36 No edit summary

30 October 2024

• curprev 17:5817:58, 30 October 2024 Stemivy1 talk contribs m 6,637 bytes +121 No edit summary

27 October 2024

• curprev 23:4923:49, 27 October 2024 MRENTHUSIASM talk contribs 6,516 bytes 0 No edit summary
• curprev 23:4723:47, 27 October 2024 MRENTHUSIASM talk contribs 6,516 bytes 0 →Solution 1
• curprev 23:4323:43, 27 October 2024 MRENTHUSIASM talk contribs 6,516 bytes 0 →Solution 4 (informed guess)

11 October 2024

• curprev 20:2220:22, 11 October 2024 Stemivy1 talk contribs 6,516 bytes +107 No edit summary

1 September 2024

• curprev 21:4921:49, 1 September 2024 Oinava talk contribs m 6,409 bytes +28 →Solution 4

21 January 2024

• curprev 15:5015:50, 21 January 2024 MRENTHUSIASM talk contribs m 6,381 bytes −1 →Solution 3
• curprev 11:2211:22, 21 January 2024 Papermath talk contribs 6,382 bytes +4 →Solution 4
• curprev 10:4910:49, 21 January 2024 Papermath talk contribs 6,378 bytes +11 →Solution 4
• curprev 10:4810:48, 21 January 2024 Papermath talk contribs 6,367 bytes +69 →Solution 4
• curprev 10:4610:46, 21 January 2024 Papermath talk contribs 6,298 bytes +17 →Solution 3

18 October 2023

• curprev 18:1918:19, 18 October 2023 MRENTHUSIASM talk contribs 6,281 bytes −2 No edit summary
• curprev 18:1218:12, 18 October 2023 Scinderella220 talk contribs m 6,283 bytes +2 →Problem

11 January 2022

• curprev 18:0518:05, 11 January 2022 MRENTHUSIASM talk contribs 6,281 bytes −1,159 Undo revision 169539 by Vincentwant (talk) I found Sol 4 to be very similar to Sol 1. So, I decide to remove it for now to keep the page clean. Let me know if you disagree. Tag: Undo

8 January 2022

• curprev 14:2114:21, 8 January 2022 Vincentwant talk contribs 7,440 bytes +1,159 No edit summary

5 January 2022

• curprev 03:0203:02, 5 January 2022 MRENTHUSIASM talk contribs m 6,281 bytes +22 No edit summary

29 October 2021

• curprev 11:2811:28, 29 October 2021 Huashiliao2020 talk contribs m 6,259 bytes +1 →Problem
• curprev 11:2711:27, 29 October 2021 Huashiliao2020 talk contribs m 6,258 bytes −1 →Problem
• curprev 11:2711:27, 29 October 2021 Huashiliao2020 talk contribs m 6,259 bytes +1 →Solution 1
• curprev 11:2611:26, 29 October 2021 Huashiliao2020 talk contribs m 6,258 bytes −1 →Solution 1

29 August 2021

• curprev 11:4411:44, 29 August 2021 MRENTHUSIASM talk contribs m 6,259 bytes −27 →Solution 1

28 August 2021

• curprev 21:0321:03, 28 August 2021 MRENTHUSIASM talk contribs m 6,286 bytes +4 →Solution 1
• curprev 19:2119:21, 28 August 2021 MRENTHUSIASM talk contribs 6,282 bytes −761 →Solution 4 (If you are running out of time): This solution claims that a=8 is reasonable. In fact, a=8 yields an incorrect solution with correct answer. So, this solution is a little misleading. Sorry for deletion.
• curprev 18:3818:38, 28 August 2021 MRENTHUSIASM talk contribs m 7,043 bytes +63 →Solution 1
• curprev 18:1018:10, 28 August 2021 MRENTHUSIASM talk contribs m 6,980 bytes +40 →Solution 1
• curprev 13:3813:38, 28 August 2021 MRENTHUSIASM talk contribs m 6,940 bytes +17 →Solution 1
• curprev 13:1513:15, 28 August 2021 MRENTHUSIASM talk contribs 6,923 bytes +305 Improved the LaTeX appearances in Sol 3.
• curprev 12:5612:56, 28 August 2021 MRENTHUSIASM talk contribs m 6,618 bytes −1 →Solution 1
• curprev 12:4712:47, 28 August 2021 MRENTHUSIASM talk contribs m 6,619 bytes +246 →Solution 1
• curprev 12:1012:10, 28 August 2021 MRENTHUSIASM talk contribs m 6,373 bytes +46 →Solution 1
• curprev 02:5602:56, 28 August 2021 MRENTHUSIASM talk contribs m 6,327 bytes −1 →Solution 1
• curprev 02:3202:32, 28 August 2021 MRENTHUSIASM talk contribs 6,328 bytes +53 →Solution 1: Restored the original author. Gave credit to CantonMathGuy for hard work.
• curprev 02:2802:28, 28 August 2021 MRENTHUSIASM talk contribs 6,275 bytes +140 Made the argument in Sol 1 more rigorous. Previously Sol 1 says that plugging in n = 0, but n = 0 is not a valid value. Also made some cosmetic changes to Sol 1 and made more intermediate steps.
• curprev 01:2401:24, 28 August 2021 MRENTHUSIASM talk contribs 6,135 bytes +119 No edit summary
• curprev 01:0401:04, 28 August 2021 MRENTHUSIASM talk contribs m 6,016 bytes −35 →Problem

30 May 2021

• curprev 17:3617:36, 30 May 2021 Bakedpotato66 talk contribs m 6,051 bytes +39 Minor Edits

29 January 2021

• curprev 20:1820:18, 29 January 2021 Dhillonr25 talk contribs 6,012 bytes +727 Added Solution

18 January 2021

• curprev 21:0821:08, 18 January 2021 Puffer13 talk contribs m 5,285 bytes 0 →Solution 3
• curprev 21:0821:08, 18 January 2021 Puffer13 talk contribs m 5,285 bytes −491 No edit summary

11 January 2021

• curprev 22:0422:04, 11 January 2021 Legionofavatars talk contribs m 5,776 bytes −9 →Solution 4: smol edit
• curprev 21:5521:55, 11 January 2021 Legionofavatars talk contribs 5,785 bytes +1,274 Add solution 4

31 December 2020

• curprev 12:4812:48, 31 December 2020 Vaporwave talk contribs m 4,511 bytes +1 →Solution 1

30 December 2020

• curprev 16:5416:54, 30 December 2020 Krisha12 talk contribs 4,510 bytes +103 No edit summary

15 May 2020

• curprev 14:0614:06, 15 May 2020 Dolphin7 talk contribs 4,407 bytes 0 No edit summary
• curprev 14:0514:05, 15 May 2020 Dolphin7 talk contribs 4,407 bytes +114 No edit summary

17 March 2020

• curprev 16:4916:49, 17 March 2020 Math plusplus talk contribs m 4,293 bytes 0 →Solution 1

28 January 2020

• curprev 13:1213:12, 28 January 2020 Angelalz talk contribs m 4,293 bytes +8 →Solution 2
• curprev 13:0713:07, 28 January 2020 Angelalz talk contribs 4,285 bytes +100 →Solution 1