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A012323 Expansion of e.g.f.: tanh(arcsin(x)*exp(x))=x+2/2!*x^2+2/3!*x^3-16/4!*x^4-160/5!*x^5... 0

%I #6 Dec 14 2017 10:27:27

%S 0,1,2,2,-16,-160,-880,-824,51648,800960,6435328,-2043776,-1126578176,

%T -22272551808,-223518587136,765475969792,87232814768128,

%U 2039252913397760,22937720650260480,-211391911253512192

%N Expansion of e.g.f.: tanh(arcsin(x)*exp(x))=x+2/2!*x^2+2/3!*x^3-16/4!*x^4-160/5!*x^5...

%t With[{nn=20},CoefficientList[Series[Tanh[ArcSin[x]Exp[x]],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, Dec 14 2017 *)

%K sign

%O 0,3

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

%E Definition clarified and zero prepended by _Harvey P. Dale_, Dec 14 2017

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Last modified December 4 01:17 EST 2023. Contains 367541 sequences. (Running on oeis4.)