A012978 - OEIS

%I #6 Oct 20 2015 12:40:43

%S 2,5,-63,1087,-51399,4655147,-614607875,110785434767,-26276828035887,

%T 7942606908264467,-2980404613442707547,1359327160139797369495,

%U -740576016766767185246407,475017662287177042879384091

%N sinh(arctan(x)+sin(x))=2*x+5/3!*x^3-63/5!*x^5+1087/7!*x^7...

%t With[{nn=30},Take[CoefficientList[Series[Sinh[ArcTan[x]+Sin[x]],{x,0,nn}],x] Range[0,nn-1]!,{2,-1,2}]] (* _Harvey P. Dale_, Oct 20 2015 *)

%K sign

%O 0,1

%A Patrick Demichel (patrick.demichel(AT)hp.com)