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A091216
Numbers k such that numerator of Bernoulli(2*k) is divisible by 37, the first irregular prime.
18
16, 34, 37, 52, 70, 74, 88, 106, 111, 124, 142, 148, 160, 178, 185, 196, 214, 222, 232, 250, 259, 268, 286, 296, 304, 322, 333, 340, 358, 370, 376, 394, 407, 412, 430, 444, 448, 466, 481, 484, 502, 518, 520, 538, 555, 556, 574, 592, 610, 628
OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..100 from Seiichi Manyama)
MATHEMATICA
Select[ Range[ 681], Mod[ Numerator[ BernoulliB[2# ]], 37] == 0 &] (* Robert G. Wilson v, Feb 24 2004 *)
PROG
(PARI) for(j=1, 260, if (! (numerator(bernfrac(2*j))%37), print1(j, ", ")))
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 24 2004
EXTENSIONS
More terms from Robert G. Wilson v, Feb 24 2004
STATUS
approved