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 A156941 #6 Jul 31 2014 09:08:02 %S A156941 1,-15,-76,10215,45980,-5490375,-73409236,49447113495,220167188060, %T A156941 -47706250419225,-1061972390305396,562541361966308805, %U A156941 7513441220176839740,-2351825254027652790675,-73293547498840521969556,211772841767473901111735175,942828841482814629497877020 %N A156941 Numerator of Euler(n, 4/23). %H A156941 Vincenzo Librandi, <a href="/A156941/b156941.txt">Table of n, a(n) for n = 0..200</a> %t A156941 Numerator[EulerE[Range[0, 20], 4/23]] (* _Vincenzo Librandi_, Jul 31 2014 *) %Y A156941 For denominators see A156892. %K A156941 sign,frac %O A156941 0,2 %A A156941 _N. J. A. Sloane_, Nov 07 2009