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%I #6 Jan 13 2017 13:43:05
%S 2,7,25,1985,14905,9006925,20012525,202749678625,-3158018147375,
%T 14186901874647125,-671237145329976875,2393939114315833215625,
%U -224442506249023480234375,829987864326478226455328125
%N sinh(arctan(x)+arcsin(x))=2*x+7/3!*x^3+25/5!*x^5+1985/7!*x^7...
%t With[{nn=30},Take[CoefficientList[Series[Sinh[ArcTan[x]+ArcSin[x]],{x,0,nn}],x] Range[0,nn-1]!,{2,-1,2}]] (* _Harvey P. Dale_, Jan 13 2017 *)
%K sign
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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