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A012863
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Numerators of coefficients in Taylor series expansion of log(cotan(x)*log(x+1)).
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1
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0, -1, -1, -1, 3, -19, 59, -751, 174989, -2857, 2249927, -434293, 32401403009, -8181904909, 1150205658377, -5044289, 64371087485333, -5026792806787, 3500507461200889, -69028763155644023, 67179942704167004419, -1022779523247467, 348074852007121792219, -750218743980105669781, 129827894444079903690116761
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OFFSET
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0,5
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LINKS
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EXAMPLE
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-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+...
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MATHEMATICA
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Numerator[CoefficientList[Series[Log[Cot[x]Log[x+1]], {x, 0, 30}], x]] (* Harvey P. Dale, Nov 04 2012 *)
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CROSSREFS
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KEYWORD
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sign,frac
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AUTHOR
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Patrick Demichel (patrick.demichel(AT)hp.com)
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EXTENSIONS
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STATUS
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approved
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