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 A159015 #5 Mar 17 2014 10:14:29
%S A159015 1,-6,407,-357,41483,-30583,21019289,-1997177,200758163,-141000363,
%T A159015 125429769517,-4618718797,86138583685913,-1694601277343,
%U A159015 -67473161580433,636736947594783,1156482071227275091,-457643653454013523,-6761158493790100610029,395155414869373487563
%N A159015 Numerator of Bernoulli(n, -7/10).
%H A159015 Vincenzo Librandi, <a href="/A159015/b159015.txt">Table of n, a(n) for n = 0..250</a>
%t A159015 Table[Numerator[BernoulliB[n, -7/10]], {n, 0, 50}] (* _Vincenzo Librandi_, Mar 17 2014 *)
%Y A159015 For denominators see A158994.
%K A159015 sign,frac
%O A159015 0,2
%A A159015 _N. J. A. Sloane_, Nov 08 2009