Grigory M
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# 11,716 Reputation

10 today
 +10 6 hours ago upvote Explicit formula for Fermat's 4k+1 theorem 5 hours ago upvote Prove that for all non-negative integers $m,n$, $\frac{(2m)!(2n)!}{m!n!(m + n)!}$ is an integer.
10 Jun 28
 +5 19:15 upvote Dividing an equilateral triangle into N equal (possibly non-connected) parts +5 03:52 upvote Ramanujan-type trigonometric identities with cube roots, generalizing $\sqrt[3]{\cos(2\pi/7)}+\sqrt[3]{\cos(4\pi/7)}+\sqrt[3]{\cos(8\pi/7)}$ 23:30 upvote Surprising Generalizations
25 Jun 27
 +10 18:39 2 events Ramanujan-type trigonometric identities with cube roots, generalizing $\sqrt[3]{\cos(2\pi/7)}+\sqrt[3]{\cos(4\pi/7)}+\sqrt[3]{\cos(8\pi/7)}$ +10 15:19 upvote Ramanujan-type trigonometric identities with cube roots, generalizing $\sqrt[3]{\cos(2\pi/7)}+\sqrt[3]{\cos(4\pi/7)}+\sqrt[3]{\cos(8\pi/7)}$ +5 09:21 upvote Dividing an equilateral triangle into N equal (possibly non-connected) parts
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