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A012134 exp(arcsin(arctanh(x)))=1+x+1/2!*x^2+4/3!*x^3+13/4!*x^4+84/5!*x^5... 1

%I

%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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Last modified November 19 16:06 EST 2019. Contains 329320 sequences. (Running on oeis4.)