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%I #8 Sep 21 2018 11:14:57
%S 2,232,647072,11510902912,730537735434752,121024350517590894592,
%T 43334092203148352120594432,29569225337018517420748948406272,
%U 35135401746397350937514453454595162112,67930055172164174273112190776969951565053952
%N arcsin(tanh(x)*tan(x))=2/2!*x^2+232/6!*x^6+647072/10!*x^10...
%t With[{nn=60},Take[CoefficientList[Series[ArcSin[Tanh[x]Tan[x]],{x,0,nn}],x] Range[0,nn]!,{3,-1,4}]] (* _Harvey P. Dale_, Sep 21 2018 *)
%K nonn
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)
%E More terms from _Harvey P. Dale_, Sep 21 2018
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