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Search: id:A046989
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| A046989 |
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Denominators of Taylor series expansion of log(x/sin x). |
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+0
2
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| 1, 6, 180, 2835, 37800, 467775, 3831077250, 127702575, 2605132530000, 350813659321125, 15313294652906250, 147926426347074375, 2423034863565078262500, 144228265688397515625, 3952575621190533915703125, 84913182070036240111050234375, 999843529136357459316262500000
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OFFSET
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0,2
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REFERENCES
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T. J. I'a. Bromwich, Introduction to the Theory of Infinite Series, Macmillan, 2nd. ed. 1949, p. 222, series for log(H(x)/x).
L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 88.
CRC Standard Mathematical Tables and Formulae, 30th ed. 1996, p. 42.
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EXAMPLE
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log(x/sin(x)) = 1/6*x^2+1/180*x^4+1/2835*x^6+1/37800*x^8+1/467775*x^10+...
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CROSSREFS
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Cf. A046988.
Sequence in context: A165928 A024278 A062240 this_sequence A135395 A141121 A051357
Adjacent sequences: A046986 A046987 A046988 this_sequence A046990 A046991 A046992
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KEYWORD
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nonn,easy,frac,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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