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 A156185 #5 May 04 2012 02:37:36 %S A156185 1,-1,-6,37,186,-961,-14166,410189,2009946,-18708871,-458225526, %T A156185 10426234927,153212718906,-2059985998981,-70632832168086, %U A156185 8766253488312013,42939614599671066,-754976143412185291,-33282798350926545846,1308065815531646653417 %N A156185 Numerator of Euler(n, 2/5). %H A156185 Vincenzo Librandi, <a href="/A156185/b156185.txt">Table of n, a(n) for n = 0..200</a> %t A156185 Numerator[EulerE[Range[0,200],2/5]] (* _Vincenzo Librandi_, May 04 2012 *) %Y A156185 For denominators see A156183. %K A156185 sign,frac %O A156185 0,3 %A A156185 _N. J. A. Sloane_, Nov 07 2009