%I #4 Feb 24 2012 12:50:47
%S 2,0,280,1344,1012768,24428800,20827231360,1379991058432,
%T 1430240557576704,197659225530671104,247901293373984372736,
%U 60895825094704096133120,91170066232981864478416896
%N arctanh(arcsin(x)*sin(x))=2/2!*x^2+280/6!*x^6+1344/8!*x^8...
%K nonn
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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