A013036 - OEIS

%I #6 Mar 02 2014 14:42:37

%S 2,-14,618,-67854,13932498,-4595539054,2223446144762,

%T -1483204666755694,1304724424132456098,-1463341903654250570574,

%U 2038145686298940181364106,-3451301962890841287168044878

%N arctan(sinh(x)+arcsin(x))=2*x-14/3!*x^3+618/5!*x^5-67854/7!*x^7...

%t With[{nn=30},Take[CoefficientList[Series[ArcTan[Sinh[x]+ArcSin[x]],{x,0,nn}],x] Range[0,nn-1]!,{2,-1,2}]] (* _Harvey P. Dale_, Mar 02 2014 *)

%K sign

%O 0,1

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