A092230 - OEIS

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A092230

Numbers k such that the numerator of Bernoulli(2k) is divisible by the square of 37, the first irregular prime.

142, 592, 808, 1258, 1369, 1474, 1924, 2140, 2590, 2738, 2806, 3256, 3472, 3922, 4107, 4138, 4588, 4804, 5254, 5470, 5476, 5920, 6136, 6586, 6802, 6845, 7252, 7468, 7918, 8134, 8214, 8584, 8800, 9250, 9466, 9583, 9916, 10132, 10582, 10798, 10952, 11248

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

Eric Weisstein's World of Mathematics, Bernoulli Number.

FORMULA

See A090789.

MATHEMATICA

Select[ Range[ 5780], Mod[ Numerator[ BernoulliB[2# ]], 37^2] == 0 &]

CROSSREFS

Equals A090789/2. Cf. A000928, A091216.