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A035817 Coordination sequence for lattice D*_64 (with edges defined by l_1 norm = 1). 0

%I

%S 1,128,8192,349568,11190272,286680704,6123315200,112173964160,

%T 1799375912960,25678370512000,330122643283968,3862436697723264,

%U 41474426978451456,411631804378210944,3799040291725172736

%N Coordination sequence for lattice D*_64 (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=64.

%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 23 18:45 EDT 2021. Contains 345402 sequences. (Running on oeis4.)