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 A156948 #6 Jul 31 2014 09:10:22 %S A156948 1,-11,-102,8063,64362,-4379771,-103203702,39494514631,309665666922, %T A156948 -38109468665741,-1493739282968502,449385406951534493, %U A156948 10568242939834352682,-1878755744945825245511,-103093170045575823968502,169174780534960399488076007,1326163404061745395490961642 %N A156948 Numerator of Euler(n, 6/23). %H A156948 Vincenzo Librandi, <a href="/A156948/b156948.txt">Table of n, a(n) for n = 0..200</a> %t A156948 Numerator[EulerE[Range[0, 20], 6/23]] (* _Vincenzo Librandi_, Jul 31 2014 *) %Y A156948 For denominators see A156892. %K A156948 sign,frac %O A156948 0,2 %A A156948 _N. J. A. Sloane_, Nov 07 2009