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Search: id:A086720
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| A086720 |
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Numerator of Sum(binomial(n,k)/(n^2+k^2+1), k=0..n). |
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+0
2
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| 1, 5, 29, 4679, 115004, 40990, 109649679500, 43576504, 12773032712224, 652563537985839568, 637968792992, 8571374386402604320, 436474868374689040256, 876434343149295070804288, 35599183060918735547373871744, 812962598599768399506819343144448, 11292695814902576267980257280
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OFFSET
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0,2
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REFERENCES
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W. Koepf, Hypergeometric Summation, Vieweg, 1998, p. 53.
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EXAMPLE
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1, 5/6, 29/45, 4679/7315, 115004/153153, 40990/41769, ...
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CROSSREFS
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Cf. A086721.
Sequence in context: A046842 A057706 A057705 this_sequence A056869 A098346 A134166
Adjacent sequences: A086717 A086718 A086719 this_sequence A086721 A086722 A086723
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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), Jul 31 2003
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