A092229 Numbers k such that numerator of Bernoulli(2*k) is divisible by 257, the tenth irregular prime.

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

Author

Robert G. Wilson v, Feb 25 2004

Keywords

• nonn

Links

• Amiram Eldar, Table of n, a(n) for n = 1..1500
• Eric Weisstein's World of Mathematics, Bernoulli Number.

Crossrefs

Cf. A000928, A091216, A092221, A092222, A092223, A092224, A092225, A092226, A092227, A092228.

Programs

Mathematica

Select[ Range[ 3854], Mod[ Numerator[ BernoulliB[2# ]], 257] == 0 &]