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Expansion of e.g.f.: cos(tan(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3-19/4!*x^4+20/5!*x^5...
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%I #6 Aug 09 2015 16:12:46

%S 1,0,-4,6,-19,20,26,-1218,13021,-123624,1277216,-12476530,142470545,

%T -1576920228,20310039174,-259802497290,3783797829145,-55910099232336,

%U 917432601399236,-15504261990312618,284553809208217365

%N Expansion of e.g.f.: cos(tan(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3-19/4!*x^4+20/5!*x^5...

%t With[{nn=20},CoefficientList[Series[Cos[Tan[x]+Log[x+1]],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, Aug 09 2015 *)

%K sign

%O 0,3

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

%E Definition clarified by _Harvey P. Dale_, Aug 09 2015