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Search: id:A035735
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| A035735 |
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Coordination sequence for 40-dimensional cubic lattice. |
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+0
1
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| 1, 80, 3200, 85360, 1708800, 27392016, 366366080, 4206606640, 42340840960, 379634835920, 3070951360128, 22644802030320, 153524473002240, 963926974039440, 5639746542798720, 30914051605760688
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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J. Serra-Sagrista, Enumeration of lattice points in l_1 norm, Information Processing Letters, 76, no. 1-2 (2000), 39-44.
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LINKS
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J. H. Conway and N. J. A. Sloane, Low-Dimensional Lattices VII: Coordination Sequences, Proc. Royal Soc. London, A453 (1997), 2369-2389 (Abstract, pdf, ps).
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FORMULA
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((1+x)/(1-x))^40.
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CROSSREFS
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Sequence in context: A060623 A132466 A017796 this_sequence A035805 A017743 A004390
Adjacent sequences: A035732 A035733 A035734 this_sequence A035736 A035737 A035738
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KEYWORD
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nonn,easy
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AUTHOR
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Serra-Sagrista, Joan; jserra(AT)ccd.uab.es
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EXTENSIONS
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Recomputed Nov 25 1998 by njas.
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