A013033 - OEIS

%I #6 Aug 10 2021 17:09:23

%S 2,-6,-38,-182,-7118,-828102,-107900726,-18234006902,-4075490338462,

%T -1171273052028934,-420782912153339462,-184761832397434030518,

%U -97361652620963092009582,-60642078389254498314740166

%N sin(sinh(x)+arcsin(x))=2*x-6/3!*x^3-38/5!*x^5-182/7!*x^7-7118/9!*x^9...

%t With[{nn=30},Take[CoefficientList[Series[Sin[Sinh[x]+ArcSin[x]],{x,0,nn}],x] Range[0,nn-1]!,{2,-1,2}]] (* _Harvey P. Dale_, Aug 10 2021 *)

%K sign

%O 0,1

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