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A012859
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Numerator of the coefficient of [x^(2n)] of the Taylor series log(cosec(x)*arcsinh(x))= x^4/15 -x^6/30 +25*x^8/1134 -269*x^10/17010 +4401359*x^12/364864500-...
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1
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1, -1, 25, -269, 4401359, -5248651, 3071547701, -6442201463, 329484655084859, -85737877363717, 13881630720619393, -5324119220723357533, 3593575793538669123431, -31257038840658566465059, 9484738025292216993019060741, -6497059861630698641837006393, 4389630332959873242573538670607401
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OFFSET
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2,3
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COMMENTS
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The inner function is cosec(x)*arcsinh(x) = 1+x^4/15 -x^6/30 +344*x^8/14175 -767*x^10/42525 +...
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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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Values replaced by numerators. - R. J. Mathar, Dec 20 2011
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STATUS
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approved
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