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S Jul 29, 2017 at 15:47 history bounty ended CommunityBot
S Jul 29, 2017 at 15:47 history notice removed CommunityBot
S Jul 21, 2017 at 14:07 history bounty started serg_1
S Jul 21, 2017 at 14:07 history notice added serg_1 Canonical answer required
Jul 19, 2017 at 11:47 comment added Zurab Silagadze Here is another one (for low k): nrich.maths.org/5435
Jul 19, 2017 at 11:46 review Close votes
Jul 19, 2017 at 17:33
Jul 19, 2017 at 11:08 comment added M. Dus You have geometric interpretations for $S_k(n)$, as illustrated in this video (in french though). lebesgue.fr/video/5min/pierre
Jul 19, 2017 at 10:20 review First posts
Jul 19, 2017 at 10:22
Jul 19, 2017 at 10:19 history asked serg_1 CC BY-SA 3.0