20 June 2025

• curprev 12:1112:11, 20 June 2025 Growingdaisy talk contribs 3,824 bytes +1 →Solution 2 (PIE)
• curprev 12:0812:08, 20 June 2025 Growingdaisy talk contribs 3,823 bytes +26 →Solution 2 (PIE)
• curprev 11:1611:16, 20 June 2025 Growingdaisy talk contribs 3,797 bytes −27 →Solution 2 (PIE)
• curprev 00:4000:40, 20 June 2025 Growingdaisy talk contribs 3,824 bytes +41 →Solution 2 (PIE)
• curprev 00:3400:34, 20 June 2025 Growingdaisy talk contribs 3,783 bytes +175 →Solution 2 (PIE)

28 May 2025

• curprev 23:5423:54, 28 May 2025 Cretinouscretin talk contribs 3,608 bytes +741 No edit summary

6 May 2023

• curprev 10:2910:29, 6 May 2023 Isabelchen talk contribs m 2,867 bytes 0 →Solution 2 (PIE)
• curprev 10:2810:28, 6 May 2023 Isabelchen talk contribs m 2,867 bytes +16 →Solution 2 (PIE)
• curprev 10:2610:26, 6 May 2023 Isabelchen talk contribs m 2,851 bytes +7 →Solution 2
• curprev 10:2610:26, 6 May 2023 Isabelchen talk contribs m 2,844 bytes 0 →Solution 2
• curprev 10:2410:24, 6 May 2023 Isabelchen talk contribs 2,844 bytes +474 →Solution 2
• curprev 10:1310:13, 6 May 2023 Isabelchen talk contribs 2,370 bytes +491 →Solution 2
• curprev 10:1010:10, 6 May 2023 Isabelchen talk contribs 1,879 bytes +259 →Solution 2
• curprev 10:0410:04, 6 May 2023 Isabelchen talk contribs 1,620 bytes +424 No edit summary

13 February 2018

• curprev 14:1814:18, 13 February 2018 A 0123456789 z talk contribs 1,196 bytes +2 →Solution
• curprev 14:1714:17, 13 February 2018 A 0123456789 z talk contribs 1,194 bytes +13 →Solution
• curprev 14:1714:17, 13 February 2018 A 0123456789 z talk contribs 1,181 bytes +13 →Solution
• curprev 14:1614:16, 13 February 2018 A 0123456789 z talk contribs 1,168 bytes −20 →Problem
• curprev 14:1614:16, 13 February 2018 A 0123456789 z talk contribs 1,188 bytes +28 →Problem
• curprev 14:1514:15, 13 February 2018 A 0123456789 z talk contribs 1,160 bytes +13 →Problem
• curprev 14:1514:15, 13 February 2018 A 0123456789 z talk contribs 1,147 bytes +490 →Solution

28 September 2014

• curprev 14:5814:58, 28 September 2014 Timneh talk contribs m 657 bytes +1 →Solution
• curprev 01:5401:54, 28 September 2014 Timneh talk contribs m 656 bytes +157 No edit summary

5 July 2013

• curprev 12:5412:54, 5 July 2013 Nathan wailes talk contribs 499 bytes +15 No edit summary

17 March 2013

• curprev 00:1100:11, 17 March 2013 Ckorr2003 talk contribs 484 bytes +484 Created page with "For any set <math>S</math>, let <math>|S|</math> denote the number of elements in <math>S</math>, and let <math>n(S)</math> be the number of subsets of <math>S</math>, including ..."