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A012189 arcsinh(arctan(sin(x)))=x-4/3!*x^3+84/5!*x^5-4488/7!*x^7+450768/9!*x^9... 0

%I #6 Apr 20 2013 07:55:39

%S 1,-4,84,-4488,450768,-73573248,17815591104,-6013430329728,

%T 2703233646006528,-1562922378845445120,1130630051482809369600,

%U -1000815673354945580034048,1064286361791704604763115520

%N arcsinh(arctan(sin(x)))=x-4/3!*x^3+84/5!*x^5-4488/7!*x^7+450768/9!*x^9...

%t With[{nn=30},Take[CoefficientList[Series[ArcSinh[ArcTan[Sin[x]]],{x,0,nn}], x] Range[0,nn-1]!,{2,-1,2}]] (* _Harvey P. Dale_, Apr 20 2013 *)

%K sign

%O 0,2

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

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)