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Search: id:A046983
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| A046983 |
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Denominators of Taylor series for tan(x + Pi/4). |
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+0
9
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| 1, 1, 1, 3, 3, 15, 45, 315, 63, 2835, 14175, 155925, 93555, 6081075, 42567525, 638512875, 127702575, 10854718875, 97692469875, 1856156927625, 371231385525, 194896477400625, 2143861251406875, 2900518163668125, 2275791174570375
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OFFSET
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0,4
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REFERENCES
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G. W. Caunt, Infinitesimal Calculus, Oxford Univ. Press, 1914, p. 477.
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LINKS
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T. D. Noe, Table of n, a(n) for n=0..100
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EXAMPLE
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1+2*x+2*x^2+8/3*x^3+10/3*x^4+64/15*x^5+244/45*x^6+...
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CROSSREFS
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Cf. A046982.
Sequence in context: A165553 A056314 A078631 this_sequence A067655 A049606 A046126
Adjacent sequences: A046980 A046981 A046982 this_sequence A046984 A046985 A046986
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KEYWORD
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nonn,frac,easy,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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