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Numerators of coefficients in Taylor series expansion of log(cotan(x)*log(x+1)).
1

%I #9 May 01 2013 21:16:00

%S 0,-1,-1,-1,3,-19,59,-751,174989,-2857,2249927,-434293,32401403009,

%T -8181904909,1150205658377,-5044289,64371087485333,-5026792806787,

%U 3500507461200889,-69028763155644023,67179942704167004419,-1022779523247467,348074852007121792219,-750218743980105669781,129827894444079903690116761

%N Numerators of coefficients in Taylor series expansion of log(cotan(x)*log(x+1)).

%e -1/2*x-1/8*x^2-1/8*x^3+3/320*x^4-19/288*x^5+59/1920*x^6-751/17280*x^7+...

%t Numerator[CoefficientList[Series[Log[Cot[x]Log[x+1]],{x,0,30}],x]] (* _Harvey P. Dale_, Nov 04 2012 *)

%Y Cf. A202619.

%K sign,frac

%O 0,5

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

%E Corrected by _N. J. A. Sloane_, Dec 21 2011