%I #6 Apr 27 2018 13:20:35
%S 2,-16,778,-93616,21074194,-7620799536,4042289549530,
%T -2956250841424336,2851001343645856034,-3505606623923415246032,
%U 5352926041940658837364906,-9937511692827308946423419760
%N arctan(arcsin(x)+sin(x))=2*x-16/3!*x^3+778/5!*x^5-93616/7!*x^7...
%t With[{nn=30},Take[CoefficientList[Series[ArcTan[ArcSin[x]+Sin[x]],{x,0,nn}],x] Range[0,nn-1]!,{2,-1,2}]] (* _Harvey P. Dale_, Apr 27 2018 *)
%K sign
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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