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Expansion of e.g.f.: sinh(sinh(x)*log(x+1))=2/2!*x^2-3/3!*x^3+12/4!*x^4-40/5!*x^5...
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%I #6 Feb 25 2017 09:25:59

%S 0,0,2,-3,12,-40,310,-2331,22344,-214992,2290138,-26031115,322277780,

%T -4298532888,61722080446,-947673715275,15499274051408,

%U -268866053899936,4930878490414002,-95317757163840915

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

%t With[{nn=20},CoefficientList[Series[Sinh[Sinh[x]Log[x+1]],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, Feb 25 2017 *)

%K sign

%O 0,3

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

%E Definition clarified and initial two zeros prepended by _Harvey P. Dale_, Feb 25 2017