%I #8 Apr 02 2017 15:26:29
%S 0,1,-8,144,-5184,305152,-26442752,3162378240,-498850234368,
%T 100338708840448,-25063296518586368,7611477148997517312,
%U -2761834207318131081216,1180050998603017168617472
%N Expansion of tanh(sin(x))*sin(x)/2.
%t Tanh[ Sin[ x ] ]*Sin[ x ]/2 (* Even Part *)
%Y Cf. A009795.
%K sign
%O 0,3
%A _R. H. Hardin_
%E Extended with signs Mar 1997