This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A090179 #3 Mar 30 2012 17:30:56
%S A090179 37,37,103,59,131,37,67,37,283,59,37,101,37,67,691,37,59,157,37,37,67,
%T A090179 59,617,103,37,593,37,37,59,101,37,67,157,37,149,59,233,37,131
%N A090179 Ratio of numerator(Bernoulli(2*n)/(2*n)) to numerator(Bernoulli(2*n)/(2*n*(2*n+1))) for n's for which they are different.
%t A090179 Do[ If[ r = Numerator[ BernoulliB[2n]/(2n)] / Numerator[ BernoulliB[2n]/(2n(2n + 1))]; r != 1, Print[r]], {n, 1, 10030}]
%Y A090179 Cf. A090177, A001067, A090495.
%K A090179 nonn
%O A090179 1,1
%A A090179 mohammed bouayoun (bouyao(AT)wanadoo.fr), Feb 04 2004
%E A090179 a(6)-a(39) from _Robert G. Wilson v_, Feb 09 2004