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%I #4 Feb 24 2012 12:51:14
%S 2,-9,105,-4095,235305,-24792075,3350672325,-682570263375,
%T 167108397080625,-55823919598321875,21575234944726588125,
%U -10710021193954531824375,5999211692915481431015625
%N sin(arctan(x)+arcsin(x))=2*x-9/3!*x^3+105/5!*x^5-4095/7!*x^7...
%K sign
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)