%I #6 Mar 30 2024 11:02:31
%S 2,-5,-71,-863,-11207,103541,49174077,8312033249,1398228044113,
%T 258914411211565,53899233359866405,12606603233467211513,
%U 3280372963135603255161,933910604294766473632709
%N sin(sinh(x)+tan(x))=2*x-5/3!*x^3-71/5!*x^5-863/7!*x^7-11207/9!*x^9...
%t With[{nn=30},Take[CoefficientList[Series[Sin[Sinh[x]+Tan[x]],{x,0,nn}],x] Range[0,nn-1]!,{2,-1,2}]] (* _Harvey P. Dale_, Mar 30 2024 *)
%K sign
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)