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%I #6 May 18 2020 20:02:54
%S 2,-9,97,-3647,232345,-22882827,3272680621,-637916495327,
%T 162606798592913,-52505736635681875,20944212007429454773,
%U -10113746586163575672327,5814258990406275572824793
%N sin(sinh(x)+arctan(x))=2*x-9/3!*x^3+97/5!*x^5-3647/7!*x^7...
%t With[{nn=30},Take[CoefficientList[Series[Sin[Sinh[x]+ArcTan[x]],{x,0,nn}],x] Range[0,nn-1]!,{2,-1,2}]] (* _Harvey P. Dale_, May 18 2020 *)
%K sign
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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