The OEIS is supported by the many generous donors to the OEIS Foundation.
A092229
Numbers k such that numerator of Bernoulli(2*k) is divisible by 257, the tenth irregular prime.
11
82, 210, 257, 338, 466, 514, 594, 722, 771, 850, 978, 1028, 1106, 1234, 1285, 1362, 1490, 1542, 1618, 1746, 1799, 1874, 2002, 2056, 2130, 2258, 2313, 2386, 2514, 2570, 2642, 2770, 2827, 2898, 3026, 3084, 3154, 3282, 3341, 3410, 3538, 3598, 3666, 3794
OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..1500
Eric Weisstein's World of Mathematics, Bernoulli Number.
MATHEMATICA
Select[ Range[ 3854], Mod[ Numerator[ BernoulliB[2# ]], 257] == 0 &]
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Feb 25 2004
STATUS
approved