%I #4 Feb 24 2012 12:51:14
%S 2,7,281,26177,5040953,1583032653,746492313069,491286421003617,
%T 430704974221071057,485015732780851752021,682312690169782121262933,
%U 1172627483603034267343876041,2417509824116710251212901804537
%N arcsin(arctan(x)+arcsin(x))=2*x+7/3!*x^3+281/5!*x^5+26177/7!*x^7...
%K nonn
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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