%I #4 Feb 24 2012 12:51:28
%S 1,0,0,90,3864,326214,40991676,7059334282,1612242903824,
%T 471247352116174,171640057469660548,76238487501368295026,
%U 40569187584659105627992,25481546086075766773695990
%N cosh(sin(x)-arctanh(x))=1+90/6!*x^6+3864/8!*x^8+326214/10!*x^10...
%K nonn
%O 0,4
%A Patrick Demichel (patrick.demichel(AT)hp.com)