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%I #7 Nov 21 2013 12:46:01
%S 1,1,1,4,13,84,469,4208,33433,386064,3984681,56523072,718210725,
%T 12121690944,183013440765,3589856932608,62801454477105,
%U 1406019035808000,27970921286867025,704535958463063040
%N exp(arcsin(arctanh(x)))=1+x+1/2!*x^2+4/3!*x^3+13/4!*x^4+84/5!*x^5...
%t With[{nn=20},CoefficientList[Series[Exp[ArcSin[ArcTanh[x]]],{x,0,nn}], x] Range[0,nn]!] (* _Harvey P. Dale_, Oct 08 2011 *)
%K nonn
%O 0,4
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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