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A131276 Numbers n such that n divides Sum[ Prime[k]^16, {k,1,n} ]. 10
1, 3131, 6289, 323807, 443371 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

s = 0; Do[s = s + Prime[n]^16; If[ Mod[s, n] == 0, Print[n]], {n, 500000}]

CROSSREFS

Cf. A085450 = smallest m > 1 such that m divides Sum_{k=1..m} prime(k)^n. Cf. A045345, A111441, A122140, A125907, A122142, A125825, A125826, A125828, A131263, A131264, A125827, A131272, A131273, A131274, A131275, A131277, A131278, A131279, A131280, A131281, A131282, A131283, A131284, A131285, A131289, A131290, A131291.

Sequence in context: A169753 A132655 A045172 * A045075 A071143 A061048

Adjacent sequences:  A131273 A131274 A131275 * A131277 A131278 A131279

KEYWORD

more,nonn,less

AUTHOR

Alexander Adamchuk (alex(AT)kolmogorov.com), Jun 25 2007

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Last modified February 15 13:15 EST 2012. Contains 205793 sequences.