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A009268 Expansion of e.g.f. exp(tanh(x)*exp(x)). 0

%I

%S 1,1,3,8,25,92,369,1626,8033,42312,230081,1354190,8806769,59072860,

%T 398252833,2892141666,22862362049,182200364944,1492258801793,

%U 13163090657814,111357664397265,938233188787748,11338336523834337

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

%t With[{nn=30},CoefficientList[Series[Exp[Tanh[x]Exp[x]],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, May 31 2012 *)

%K sign,easy

%O 0,3

%A _R. H. Hardin_

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

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Last modified September 21 15:13 EDT 2017. Contains 292300 sequences.