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Search: id:A067002
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| A067002 |
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Numerator of e(0,n) (see Maple line). |
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+0
2
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| 1, 3, 21, 77, 1155, 4389, 33649, 129789, 4023459, 15646785, 122044923, 477084699, 7474326951, 29322359577, 230389968105, 906200541213, 57090634096419, 225004263791769, 1775033636579511, 7006711723340175, 110706045228774765
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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V. H. Moll. The evaluation of integrals: a personal story, Notices Amer. Math. Soc., 49 (No. 3, March 2002), 311-317.
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EXAMPLE
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1, 3/2, 21/8, 77/16, 1155/128, 4389/256, 33649/1024, 129789/2048, 4023459/32768 ... = A067002/A046161
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MAPLE
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e := proc(l, m) local k; add(2^(k-2*m)*binomial(2*m-2*k, m-k)*binomial(m+k, m)*binomial(k, l), k=l..m); end;
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CROSSREFS
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Denominators are in A046161.
Sequence in context: A083564 A054646 A109721 this_sequence A110450 A102832 A112851
Adjacent sequences: A066999 A067000 A067001 this_sequence A067003 A067004 A067005
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KEYWORD
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nonn,frac
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Feb 16 2002
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