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 A156957 #6 Jul 31 2014 09:24:38 %S A156957 1,-3,-130,2367,85670,-1302843,-138155290,11769651399,414816521990, %T A156957 -11359381346253,-2001108958082650,133952753515990557, %U A156957 14158016295416976710,-560020888895209456263,-138111526163646868112410,50427758398224287080561383,1776630506678835462703293830 %N A156957 Numerator of Euler(n, 10/23). %H A156957 Vincenzo Librandi, <a href="/A156957/b156957.txt">Table of n, a(n) for n = 0..200</a> %t A156957 Numerator[EulerE[Range[0, 20], 10/23]] (* _Vincenzo Librandi_, Jul 31 2014 *) %Y A156957 For denominators see A156892. %K A156957 sign,frac %O A156957 0,2 %A A156957 _N. J. A. Sloane_, Nov 07 2009