%I #4 Feb 24 2012 12:50:50
%S 2,-4,278,-6984,906282,-72406860,16769884350,-2791769139600,
%T 1025112403117650,-291983305370462100,156358879820283153510,
%U -68012449387139352098520,50073830528033335130526330
%N sinh(arctan(x)*arcsin(x))=2/2!*x^2-4/4!*x^4+278/6!*x^6-6984/8!*x^8...
%K sign
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)