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A035766 Coordination sequence for C_29 lattice. 1
1, 1682, 472642, 53502738, 3282606338, 127340157970, 3436393752642, 68877486633362, 1075699009872898, 13578251928347538, 142587780541697090, 1275090380987298322, 9898196852553376002, 67777017312848420114, 414943777163837465154, 2297612922779800904850 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

R. Bacher, P. de la Harpe and B. Venkov, Series de croissance et series d'Ehrhart associees aux reseaux de racines, C. R. Acad. Sci. Paris, 325 (Series 1) (1997), 1137-1142.

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

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..10000

J. H. Conway and N. J. A. Sloane, Low-Dimensional Lattices VII: Coordination Sequences, Proc. Royal Soc. London, A453 (1997), 2369-2389 (pdf).

FORMULA

a(n) = [x^(2n)] ((1+x)/(1-x))^29.

CROSSREFS

Sequence in context: A156175 A031760 A204568 * A107562 A031539 A205739

Adjacent sequences:  A035763 A035764 A035765 * A035767 A035768 A035769

KEYWORD

nonn,easy

AUTHOR

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

EXTENSIONS

Recomputed by N. J. A. Sloane, Nov 25 1998

STATUS

approved

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Last modified September 25 15:27 EDT 2021. Contains 347658 sequences. (Running on oeis4.)