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Search: id:A035723
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| A035723 |
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Coordination sequence for 28-dimensional cubic lattice. |
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+0
1
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| 1, 56, 1568, 29288, 410816, 4618712, 43381856, 350353928, 2485013888, 15734806136, 90102925472, 471579734696, 2275791199808, 10202437251608, 42760427177696, 168481040414792, 627099015232256, 2214397674072248
(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))^28.
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CROSSREFS
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Sequence in context: A030649 A022081 A017772 this_sequence A035799 A017719 A050989
Adjacent sequences: A035720 A035721 A035722 this_sequence A035724 A035725 A035726
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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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