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A009615 Expansion of e.g.f.: sinh(tanh(x))*exp(x). 0

%I #13 Jul 30 2017 10:47:56

%S 0,1,2,2,0,-8,-32,184,1984,-5568,-118016,231552,8529920,-11751296,

%T -754714880,596164352,79868821504,-4342886400,-9749056634880,

%U -10035384119296,1296267479826432,3825733461393408,-165153529347768320

%N Expansion of e.g.f.: sinh(tanh(x))*exp(x).

%t With[{nn=30},CoefficientList[Series[Sinh[Tanh[x]]*Exp[x],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, Jul 30 2017 *)

%K sign,easy

%O 0,3

%A _R. H. Hardin_

%E Extended with signs by _Olivier GĂ©rard_, Mar 15 1997

%E Definition clarified and prior Mathematica program replaced by _Harvey P. Dale_, Jul 30 2017

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Last modified May 8 18:04 EDT 2024. Contains 372340 sequences. (Running on oeis4.)