A009539 - OEIS

%I #11 May 03 2015 17:55:33

%S 1,2,36,944,41104,2650592,237023424,28021573376,4225816615168,

%T 790713657219584,179579770991391744,48624187236528582656,

%U 15465493506159120388096,5706480969286870250971136

%N Expansion of sin(x)*cosh(tan(x)).

%t With[{nn=30},Take[CoefficientList[Series[Sin[x]*Cosh[Tan[x]],{x,0,nn}],x] Range[0,nn-1]!,{2,-1,2}]] (* _Harvey P. Dale_, May 03 2015 *)

%K nonn

%O 0,2

%A _R. H. Hardin_

%E Extended and signs tested Mar 15 1997 by _Olivier Gérard_.

%E Prior Mathematica program replaced by _Harvey P. Dale_, May 03 2015