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Expansion of e.g.f. tan(tan(x) * log(x+1)).
0

%I #10 Nov 04 2019 16:58:09

%S 0,0,2,-3,16,-50,560,-4116,49376,-495648,6643648,-86408080,1355660480,

%T -21635261856,389870008320,-7287717739680,148738206314496,

%U -3175392718618112,72630134425104384,-1740244201350372864,44148745987324567552,-1171621057231560284160

%N Expansion of e.g.f. tan(tan(x) * log(x+1)).

%e 2/2!*x^2 - 3/3!*x^3 + 16/4!*x^4 - 50/5!*x^5 ...

%t With[{nn=30},CoefficientList[Series[Tan[Tan[x]Log[x+1]],{x,0,nn}],x] Range[ 0,nn]!] (* _Harvey P. Dale_, Nov 04 2019 *)

%K sign

%O 0,3

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

%E a(0) and a(1) inserted and title improved by _Sean A. Irvine_, Jul 18 2018