%I #7 Feb 24 2012 12:50:52
%S 2,-128,50432,-63423488,186761510912,-1077443663495168,
%T 10868880846196047872,-176707410321941586771968,
%U 4359687422323728561012211712
%N Expansion of sin(sinh(x)*sin(x)).
%e sin(sinh(x)*sin(x))=2/2!*x^2-128/6!*x^6+50432/10!*x^10...
%t Sin[ Sinh[ x ]*Sin[ x ] ] (* [ x^(4n+2) ] *)
%K sign
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)