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A035814
Coordination sequence for lattice D*_58 (with edges defined by l_1 norm = 1).
0
1, 116, 6728, 260188, 7548816, 175288644, 3393946328, 56367745324, 819877766944, 10611155020308, 123745300449128, 1313632295207420, 12801566604046000, 115340898562816740, 966654502323949560
OFFSET
0,2
LINKS
Joan Serra-Sagrista, Enumeration of lattice points in l_1 norm, Inf. Proc. Lett. 76 (1-2) (2000) 39-44.
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=58.
CROSSREFS
Sequence in context: A202903 A193170 A296360 * A284377 A009617 A201728
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, J. Serra-Sagrista (jserra(AT)ccd.uab.es)
STATUS
approved