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A035816 Coordination sequence for lattice D*_62 (with edges defined by l_1 norm = 1). 0
1, 124, 7688, 317812, 9856016, 244619884, 5062048280, 89845298020, 1396398655520, 19309150041180, 240550579435048, 2727459472756052, 28384206701341744, 273049514243591756, 2442767874758677048 (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=62.

CROSSREFS

Sequence in context: A253007 A293084 A289299 * A206077 A097842 A206189

Adjacent sequences:  A035813 A035814 A035815 * A035817 A035818 A035819

KEYWORD

nonn

AUTHOR

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

STATUS

approved

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Last modified October 22 22:34 EDT 2019. Contains 328335 sequences. (Running on oeis4.)