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Search: id:A010980
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| A010980 |
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Binomial coefficient C(n,27). |
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+0
2
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| 1, 28, 406, 4060, 31465, 201376, 1107568, 5379616, 23535820, 94143280, 348330136, 1203322288, 3910797436, 12033222880, 35240152720, 98672427616, 265182149218, 686353797976, 1715884494940, 4154246671960
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OFFSET
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27,2
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COMMENT
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Coordination sequence for 28-dimensional cyclotomic lattice Z[zeta_29].
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REFERENCES
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M. Beck and S. Hosten, Cyclotomic polytopes and growth series of cyclotomic lattices, arXiv math.CO/0508136.
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FORMULA
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a(n)=C(n,27),n>=27. G.f.:1/(1-x)^28. [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 18 2008]
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MAPLE
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seq(binomial(n, 27), n=27..51); [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 18 2008]
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CROSSREFS
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Sequence in context: A035476 A042518 A125463 this_sequence A022592 A121798 A024213
Adjacent sequences: A010977 A010978 A010979 this_sequence A010981 A010982 A010983
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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