A156746 - OEIS

%I #9 Oct 13 2017 11:26:52

%S 1,-9,-19,1971,7961,-1580049,-9560059,2686469931,21670511921,

%T -7838281432089,-79034002960099,34943616861129891,422806632973239881,

%U -220928651974538628129,-3118693689740162472139,1880318896105818396109851,30335009203988869812319841

%N Numerator of Euler(n, 1/20).

%H T. D. Noe, <a href="/A156746/b156746.txt">Table of n, a(n) for n = 0..100</a>

%F G.f.: conjecture T(0)/(1+9*x), where T(k) = 1 - 100*x^2*(k+1)^2/(100*x^2*(k+1)^2 + (1+ 9*x)^2/T(k+1) ); (continued fraction). - _Sergei N. Gladkovskii_, Nov 12 2013

%t Numerator[EulerE[Range[0,20],1/20]] (* _Harvey P. Dale_, Oct 13 2017 *)

%Y For denominators see A009964.

%K sign,frac

%O 0,2

%A _N. J. A. Sloane_, Nov 07 2009