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Search: id:A035722
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| A035722 |
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Coordination sequence for 27-dimensional cubic lattice. |
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+0
1
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| 1, 54, 1458, 26262, 355266, 3852630, 34910514, 272061558, 1862598402, 11387193846, 62980925490, 318495883734, 1485715581378, 6440930470422, 26117059455666, 99603553781430, 359014421036034, 1228284237803958
(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))^27.
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CROSSREFS
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Sequence in context: A160289 A079876 A017770 this_sequence A017717 A004363 A062144
Adjacent sequences: A035719 A035720 A035721 this_sequence A035723 A035724 A035725
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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 N. J. A. Sloane (njas(AT)research.att.com).
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