|
%I #6 Sep 01 2023 15:29:33
%S 1,-5,121,-7013,752785,-129763589,32812992265,-11441858264741,
%T 5261501926546081,-3084889329990554117,2246121092328414171673,
%U -1988316104656824914919653,2102978545788269109358313521
%N arctan(sin(tanh(x)))=x-5/3!*x^3+121/5!*x^5-7013/7!*x^7+752785/9!*x^9...
%t With[{nn=30},Take[CoefficientList[Series[ArcTan[Sin[Tanh[x]]],{x,0,nn}],x] Range[0,nn-1]!,{2,-1,2}]] (* _Harvey P. Dale_, Sep 01 2023 *)
%K sign
%O 0,2
%A Patrick Demichel (patrick.demichel(AT)hp.com)
|
