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 A156892 #5 Sep 12 2016 02:57:53 %S A156892 1,46,529,48668,279841,12872686,148035889,27238603576,78310985281, %T A156892 3602305322926,41426511213649,3811239031655708,21914624432020321, %U A156892 1008072723872934766,11592836324538749809,4266163767430259929712 %N A156892 Denominator of Euler(n, 1/23). %H A156892 Vincenzo Librandi, <a href="/A156892/b156892.txt">Table of n, a(n) for n = 0..200</a> %t A156892 Denominator[EulerE[Range[0, 30], 1/23]] (*_Vincenzo Librandi_, Sep 12 2016 *) %Y A156892 For numerators see A156891. %K A156892 nonn,frac %O A156892 0,2 %A A156892 _N. J. A. Sloane_, Nov 07 2009