Mike Spivey
Reputation
35,707
277/100 score
6 106 196
Impact
~1.2m people reached

# 35,707 Reputation

45 Jul 23
 +20 12:45 upvote Triple Euler sum result $\sum_{k\geq 1}\frac{H_k^{(2)}H_k }{k^2}=\zeta(2)\zeta(3)+\zeta(5)$ +5 11:23 upvote Identity involving Euler's totient function: $\sum \limits_{k=1}^n \left\lfloor \frac{n}{k} \right\rfloor \varphi(k) = \frac{n(n+1)}{2}$ +10 06:38 upvote What's the probability that a sequence of coin flips never has twice as many heads as tails? +10 04:20 upvote Sample Standard Deviation vs. Population Standard Deviation
5 Jul 22
 21:26 upvote Different methods to compute $\sum\limits_{k=1}^\infty \frac{1}{k^2}$ +5 21:21 upvote Nice proofs of $\zeta(4) = \pi^4/90$?
20 Jul 21
 +10 20:20 upvote Is War necessarily finite? +10 16:57 upvote Is there a combinatorial way to see the link between the beta and gamma functions?
10 Jul 20
30 Jul 18
10 Jul 16
10 Jul 15
20 Jul 14
45 Jul 12
20 Jul 11
10 Jul 9
10 Jul 8
10 Jul 7
10 Jul 5
20 Jul 4
20 Jul 3
-10 Jun 30
10 Jun 28
20 Jun 27
10 Jun 26
10 Jun 25
25 Jun 24
5 Jun 22
20 Jun 21
5 Jun 20
15 Jun 19
10 Jun 18
10 Jun 17
10 Jun 11
20 Jun 10