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%I #6 Sep 24 2016 12:04:21
%S 1,1,1,169,5857,365905,48069217,6592812217,1367546003521,
%T 352618786733473,113088877092468289,44682599178075094729,
%U 21050259388599343979041,11746444483256346415750897
%N arcsin(tan(tanh(x)))=x+1/3!*x^3+1/5!*x^5+169/7!*x^7+5857/9!*x^9...
%t With[{nn=30},Take[CoefficientList[Series[ArcSin[Tan[Tanh[x]]],{x,0,nn}],x] Range[0,nn-1]!,{2,-2,2}]] (* _Harvey P. Dale_, Sep 24 2016 *)
%K nonn
%O 0,4
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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