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 A157944 #5 Mar 16 2014 13:38:08
%S A157944 1,-11,169,-132,3331,-2068,293833,-24332,587731,-349668,25505309,
%T A157944 552068,33090480121,-410134868,-33892394081,49596274068,
%U A157944 89416179798227,-8608525769668,-135370368690226973,1863571109045668,2694387099249512441,-495661781956150068,-1648223983059638297863
%N A157944 Numerator of Bernoulli(n, -3/5).
%H A157944 Vincenzo Librandi, <a href="/A157944/b157944.txt">Table of n, a(n) for n = 0..250</a>
%t A157944 Table[Numerator[BernoulliB[n, -3/5]], {n, 0, 50}] (* _Vincenzo Librandi_, Mar 16 2014 *)
%Y A157944 For denominators see A157867.
%K A157944 sign,frac
%O A157944 0,2
%A A157944 _N. J. A. Sloane_, Nov 08 2009