%I #4 Feb 24 2012 12:50:51
%S 1,1,-3,-75,1337,144105,3933237,118760733,129911988593,47180864336337,
%T 13805291952312685,5130037600431416453,2642764719782227835049,
%U 1617152674535806453668025
%N sec(cos(x)*arcsin(x))=1+1/2!*x^2-3/4!*x^4-75/6!*x^6+1337/8!*x^8...
%K sign
%O 0,3
%A Patrick Demichel (patrick.demichel(AT)hp.com)