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Expansion of e.g.f.: tanh(sinh(x)*log(x+1))=2/2!*x^2-3/3!*x^3+12/4!*x^4-40/5!*x^5...
0

%I #6 Apr 11 2018 16:45:44

%S 0,0,2,-3,12,-40,-50,1449,-23016,261288,-2548262,22451165,-126287260,

%T -685717968,42875324518,-1054666581255,20298673936688,

%U -334720477218256,4520234227269042,-36137161587189411

%N Expansion of e.g.f.: tanh(sinh(x)*log(x+1))=2/2!*x^2-3/3!*x^3+12/4!*x^4-40/5!*x^5...

%t With[{nn=30},CoefficientList[Series[Tanh[Sinh[x]Log[x+1]],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, Apr 11 2018 *)

%K sign

%O 0,3

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

%E First two zeros prepended and definition clarified by _Harvey P. Dale_, Apr 11 2018