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A012857
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Numerator of [x^(2n)] of the Taylor expansion log(cosec(x)*arctan(x))= -x^2/6 +3*x^4/20 -50*x^6/567 +203*x^8/3240 -7472*x^10/155925 +...
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1
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0, -1, 3, -50, 203, -7472, 319561, -4725019, 8552625673, -2454640799284, 16155306808034, -5947223237624953, 147005475101499533, -2545370372470913809, 7441717839455761431719
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OFFSET
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0,3
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COMMENTS
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The inner function is cosec(x)*arctan(x) = 1- x^2/6 +59*x^4/360 -1723*x^6/15120 +164597*x^8/1814400 -...
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LINKS
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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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