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A035822 Coordination sequence for lattice D*_74 (with edges defined by l_1 norm = 1). 0

%I

%S 1,148,10952,540348,19998352,592275428,14622792792,309590672908,

%T 5738394543392,94605503014708,1404752160252392,18977706294953308,

%U 235229004437967792,2694049802004901508,28681579910712931192

%N Coordination sequence for lattice D*_74 (with edges defined by l_1 norm = 1).

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

%F 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=74.

%K nonn

%O 0,2

%A _N. J. A. Sloane_, J. Serra-Sagrista (jserra(AT)ccd.uab.es)

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Last modified June 14 05:51 EDT 2021. Contains 345018 sequences. (Running on oeis4.)