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 A092221 Numbers n such that numerator of Bernoulli(2n) is divisible by 59, the second irregular prime. 14
 22, 51, 59, 80, 109, 118, 138, 167, 177, 196, 225, 236, 254, 283, 295, 312, 341, 354, 370, 399, 413, 428, 457, 472, 486, 515, 531, 544, 573, 590, 602, 631, 649, 660, 689, 708, 718, 747, 767, 776, 805, 826, 834, 863, 885, 892, 921, 944, 950, 979, 1003, 1008 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Satisfies a(n) = 2*a(n-3) - a(n-6) for n < 67. - Chai Wah Wu, May 28 2016 LINKS Joerg Arndt, Table of n, a(n) for n = 1..1000 Eric Weisstein's World of Mathematics, Bernoulli Number.. MATHEMATICA Select[ Range[ 1036], Mod[ Numerator[ BernoulliB[2# ]], 59] == 0 &] PROG (Python) from sympy import bernoulli A092221_list = [n for n in range(10**3) if not bernoulli(2*n).p % 59] # Chai Wah Wu, May 28 2016 (PARI) for(n=0, 10^3, if( numerator(bernfrac(2*n))%59==0, print1(n, ", ") ) ); \\ Joerg Arndt, May 29 2016 CROSSREFS Cf. A000928, A091216, A092222, A092223, A092224, A092225, A092226, A092227, A092228, A092229, A092231. Sequence in context: A043168 A043948 A015226 * A191279 A200880 A111576 Adjacent sequences:  A092218 A092219 A092220 * A092222 A092223 A092224 KEYWORD nonn AUTHOR Robert G. Wilson v, Feb 25 2004 STATUS approved

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Last modified March 26 16:33 EDT 2019. Contains 321510 sequences. (Running on oeis4.)