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Thread / Thread Starter	Last Post	Replies	Views
The Square-Sum problem ( 1 2 3 4) henryzz	2022-08-08 19:11 by Angel	33	21,323
Interesting meta variation on the Square-Sum Problem Angel	2022-08-07 13:03 by Angel	0	62
The chess puzzle that led to a Fields Medal hoppi	2022-08-04 15:45 by uau	8	412
August 2022 tgan	2022-08-02 09:55 by tgan	0	132
July 2022 ( 1 2) Xyzzy	2022-07-27 00:06 by SmartMersenne	12	1,365
June 2022 Xyzzy	2022-07-22 04:06 by uau	9	1,430
Variation on Locker Student Problem oreotheory	2022-06-07 19:27 by oreotheory	8	1,075
The Chicken farmer from Minsk ( 1 2) Numbers	2022-06-06 15:31 by oreotheory	11	1,951
April 2022 Xyzzy	2022-06-04 19:54 by uau	7	2,684
Is (1 + 1 + 1 + 1 + 1 + 1 + ...) less than (1 + 2 + 3 + 4 + 5 + 6 + ...) ? ( 1 2 3) retina	2022-05-21 01:26 by retina	27	12,986
Python inf & nan complexity ( 1 2) retina	2022-05-14 21:04 by axeltherabbit	21	1,775
The tripling-halving reduction game MooMoo2	2022-05-14 03:28 by LaurV	3	1,067
May 2022 Max0526	2022-05-12 07:03 by SmartMersenne	9	1,240
February 2022 ( 1 2) tgan	2022-03-23 21:59 by slandrum	21	3,343
March 2022 Xyzzy	2022-03-21 10:45 by Kebbaj	7	1,645
Penn & Teller Fool Us, S08 E09 ( 1 2) fatphil	2022-02-24 09:35 by fatphil	13	2,028
Simultaneously Square Sums of Mostly Squares ( 1 2) fatphil	2022-02-21 23:28 by fatphil	14	1,467
Primes in order in pi ( 1 2) robert44444uk	2022-02-16 16:53 by robert44444uk	17	1,887
January 2022 ( 1 2 3) Xyzzy	2022-02-14 01:08 by Yusuf	25	3,940
Ant on a rubber band. ( 1 2 3) petrw1	2022-02-01 16:05 by uau	22	1,424
hand puzzles MattcAnderson	2022-01-27 13:31 by rogue	10	2,433
December 2021 Xyzzy	2021-12-08 14:32 by tgan	5	2,447
Where Transcendental Numbers Hide in Everyday Math Xyzzy	2021-11-26 16:56 by Xyzzy	4	1,476
November 2021 Xyzzy	2021-11-01 18:46 by Xyzzy	0	629
Сipher text ( 1 2 3 4) greenskull	2021-10-17 03:56 by SmartMersenne	43	4,787

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