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 A156751 #5 May 08 2012 06:50:06 %S A156751 1,-7,-51,1757,23001,-1423807,-27733851,2423221157,62887847601, %T A156751 -7070927698807,-229364654629251,31523048882011757, %U A156751 1227032077593393801,-199302585894622665007,-9050801142483361006251,1696260152956539473013557,88035625059010432835381601 %N A156751 Numerator of Euler(n, 3/20). %H A156751 Vincenzo Librandi, <a href="/A156751/b156751.txt">Table of n, a(n) for n = 0..200</a> %t A156751 Numerator[EulerE[Range[0,20],3/20]] (* _Vincenzo Librandi_, May 08 2012 *) %Y A156751 For denominators see A009964. %K A156751 sign,frac %O A156751 0,2 %A A156751 _N. J. A. Sloane_, Nov 07 2009