%I #6 Mar 31 2012 12:34:58
%S 0,1,10,219,8340,486517,40126366,4429823055,629201874216,
%T 111601138953193,24147604588944178,6255175324250099907,
%U 1910034333745099017660,678640902986234659254877
%N Expansion of tan(x)*sinh(tan(x))/2.
%t Tan[ x ]*Sinh[ Tan[ x ] ]/2 (* Even Part *)
%Y A009746.
%K nonn
%O 0,3
%A _R. H. Hardin_
%E Extended and signs tested 03/97.