%I #7 Sep 05 2023 15:16:21
%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).
%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=64.
%K nonn
%O 0,2
%A _N. J. A. Sloane_, J. Serra-Sagrista (jserra(AT)ccd.uab.es)
|