%I

%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