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A035828 Coordination sequence for lattice D*_86 (with edges defined by l_1 norm = 1). 0

%I #7 Sep 05 2023 15:20:24

%S 1,172,14792,848132,36477072,1255320156,36010162520,885717793460,

%T 19069940181280,365136637303820,6295606113770728,98739134664027236,

%U 1420507268612532656,18877952360204608956,233146706655610223736

%N Coordination sequence for lattice D*_86 (with edges defined by l_1 norm = 1).

%H Joan Serra-Sagrista, <a href="http://dx.doi.org/10.1016/S0020-0190(00)00119-8">Enumeration of lattice points in l_1 norm</a>, Inf. Proc. Lett. 76 (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=86.

%K nonn

%O 0,2

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

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Last modified July 17 19:13 EDT 2024. Contains 374377 sequences. (Running on oeis4.)