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 A156651 #8 May 07 2012 03:56:16 %S A156651 1,-2,-65,227,25285,-151321,-24851645,208985867,45675130345, %T A156651 -494053998001,-134944451180825,1784108230326707,584753480627757805, %U A156651 -9136756258815374281,-3493729771694615374805,62987838852907115030747,27526170759461264661539665 %N A156651 Numerator of Euler(n, 5/18). %H A156651 Vincenzo Librandi, <a href="/A156651/b156651.txt">Table of n, a(n) for n = 0..200</a> %t A156651 Numerator[EulerE[Range[0,20],5/18]] (* _Vincenzo Librandi_, May 07 2012 *) %Y A156651 Cf. A156634 (denominators). %K A156651 sign,frac %O A156651 0,2 %A A156651 _N. J. A. Sloane_, Nov 07 2009