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 A158728 #6 Mar 17 2014 04:13:41
%S A158728 1,-9,227,-585,61327,-25545,3058997,-836745,80906767,-32625801,
%T A158728 3260040385,-55137225,23182815610837,-228884877897,-10473784700701,
%U A158728 68553926774775,360941520655007999,-30573539999341833,-279346287039955579921,16938924643713296055
%N A158728 Numerator of Bernoulli(n, -5/8).
%H A158728 Vincenzo Librandi, <a href="/A158728/b158728.txt">Table of n, a(n) for n = 0..250</a>
%t A158728 Table[Numerator[BernoulliB[n, -5/8]], {n, 0, 50}] (* _Vincenzo Librandi_, Mar 17 2014 *)
%Y A158728 For denominators see A158654.
%K A158728 sign,frac
%O A158728 0,2
%A A158728 _N. J. A. Sloane_, Nov 08 2009