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 A158694 #6 Mar 17 2014 04:19:37
%S A158694 1,-5,59,-45,-833,555,91949,-39165,-5905553,4525659,1896207145,
%T A158694 -805349325,-16784375150843,203564524683,10883940836363,
%U A158694 -69292329479325,-359945426667938881,30553447357629627,279390122477675004263,-16939595863125337965
%N A158694 Numerator of Bernoulli(n, -1/8).
%H A158694 Vincenzo Librandi, <a href="/A158694/b158694.txt">Table of n, a(n) for n = 0..250</a>
%t A158694 Table[Numerator[BernoulliB[n, -1/8]], {n, 0, 50}] (* _Vincenzo Librandi_, Mar 17 2014 *)
%Y A158694 For denominators see A158654.
%K A158694 sign,frac
%O A158694 0,2
%A A158694 _N. J. A. Sloane_, Nov 08 2009