%I #7 Sep 05 2023 15:22:39

%S 1,196,19208,1254988,61504016,2411710420,78823543064,2208781856092,

%T 54174273131552,1181513222975204,23200998588819240,414366303855940716,

%U 6787317128471047728,102682475886364669428,1443372362804937698616

%N Coordination sequence for lattice D*_98 (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=98.

%K nonn

%O 0,2

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