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%I #8 Mar 31 2012 12:34:56
%S 1,116,221776,2035313216,57114906593536,3831406959743783936,
%T 525282700343846052745216,132012923141044737907744587776,
%U 56143990156951992731353775556591616
%N Expansion of sinh(sin(x))*sin(x)/2.
%t Tan[ Sinh[ x ]*Sin[ x ] ]/2 (* [ x^(4n+2) ] *)
%Y A024347.
%K nonn
%O 0,2
%A _R. H. Hardin_
%E Extended and signs tested 03/97.