A035831 - OEIS

%I #7 Sep 05 2023 15:21:44

%S 1,184,16928,1038312,47770816,1758589016,53961910368,1419683493256,

%T 32693191777664,669498341282552,12344924033021088,207044682467947560,

%U 3184972567869380160,45254803384239490200,597507392393892768480

%N Coordination sequence for lattice D*_92 (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=92.

%K nonn

%O 0,2

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