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A035834 Coordination sequence for lattice D*_98 (with edges defined by l_1 norm = 1). 0
1, 196, 19208, 1254988, 61504016, 2411710420, 78823543064, 2208781856092, 54174273131552, 1181513222975204, 23200998588819240, 414366303855940716, 6787317128471047728, 102682475886364669428, 1443372362804937698616 (list; graph; refs; listen; history; text; 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

Table of n, a(n) for n=0..14.

FORMULA

a(m)=add(2^k*binomial(n, k)*binomial(m-1, k-1), k=0..n)+2^n*binomial((n+2*m)/2-1, n-1); with n=98.

CROSSREFS

Sequence in context: A285858 A203540 A006362 * A114761 A076002 A145020

Adjacent sequences:  A035831 A035832 A035833 * A035835 A035836 A035837

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, J. Serra-Sagrista (jserra(AT)ccd.uab.es)

STATUS

approved

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Last modified September 20 14:35 EDT 2020. Contains 337265 sequences. (Running on oeis4.)