The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #8 Sep 05 2016 09:02:01
%S 1,42,441,37044,194481,8168202,85766121,14408708328,37822859361,
%T 1588560093162,16679880978201,1401110002168884,7355827511386641,
%U 308944755478238922,3243919932521508681,1089957097327226916816
%N Denominator of Euler(n, 1/21).
%H Vincenzo Librandi, <a href="/A156762/b156762.txt">Table of n, a(n) for n = 0..200</a>
%t Denominator[EulerE[Range[0,20],1/21]] (* _Harvey P. Dale_, Apr 21 2013 *)
%Y For numerators see A156758.
%K nonn,frac
%O 0,2
%A _N. J. A. Sloane_, Nov 07 2009