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A035722 Coordination sequence for 27-dimensional cubic lattice. 0
1, 54, 1458, 26262, 355266, 3852630, 34910514, 272061558, 1862598402, 11387193846, 62980925490, 318495883734, 1485715581378, 6440930470422, 26117059455666, 99603553781430, 359014421036034, 1228284237803958 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

J. Serra-Sagrista, Enumeration of lattice points in l_1 norm, Information Processing Letters, 76, no. 1-2 (2000), 39-44.

LINKS

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).

FORMULA

((1+x)/(1-x))^27.

CROSSREFS

Sequence in context: A160289 A079876 A017770 * A017717 A172501 A173188

Adjacent sequences:  A035719 A035720 A035721 * A035723 A035724 A035725

KEYWORD

nonn,easy

AUTHOR

Serra-Sagrista, Joan; jserra(AT)ccd.uab.es

EXTENSIONS

Recomputed Nov 25 1998 by N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 07:10 EST 2012. Contains 205874 sequences.