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A012854
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Numerators of coefficients in Taylor series expansion of log(cosec(x)*log(x+1)).
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1
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0, -1, 3, -1, 89, -19, 61, -751, 214157, -2857, 2440391, -434293, 4786462007, -8181904909, 1166310802697, -5044289, 1618597982932877, -5026792806787, 3508902074919929, -69028763155644023, 739712409650680415009, -1022779523247467, 133929790442712217763, -750218743980105669781, 129849827600028451700919961
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OFFSET
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0,3
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LINKS
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EXAMPLE
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-1/2*x+3/8*x^2-1/8*x^3+89/960*x^4-19/288*x^5+61/1152*x^6-751/17280*x^7+214157/5806080*x^8-
2857/89600*x^9+2440391/87091200*x^10 +...
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MAPLE
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t1:=log(csc(x)*log(x+1));
t2:=series(t1, x, 30);
t3:=seriestolist(t2);
t4:=map(numer, t3); t5:=map(denom, t3); lprint(t2);
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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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Corrected by N. J. A. Sloane, Dec 18 2011, based on discussions on the Sequence Fans Mailing List, Dec 13-17 2011.
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STATUS
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approved
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