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 A156754 #5 May 08 2012 10:04:03 %S A156754 1,-3,-91,873,44681,-723243,-54370771,1234258113,123409465361, %T A156754 -3602675046483,-450147484965451,16061724748579353, %U A156754 2408182490139558041,-101549689784375097723,-17763194493523591880131,864287669702052258292593,172779639453348550866418721 %N A156754 Numerator of Euler(n, 7/20). %H A156754 Vincenzo Librandi, <a href="/A156754/b156754.txt">Table of n, a(n) for n = 0..200</a> %t A156754 Numerator[EulerE[Range[0,20],7/20]] (* _Vincenzo Librandi_, May 08 2012 *) %Y A156754 For denominators see A009964. %K A156754 sign,frac %O A156754 0,2 %A A156754 _N. J. A. Sloane_, Nov 07 2009