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%I #7 Sep 05 2023 15:17:19
%S 1,136,9248,419288,14260416,388134888,8807231072,171389157176,
%T 2920221095296,44261088117832,604286975278752,7507398039179160,
%U 85587416923429440,901728467693644200,8833008614958340320
%N Coordination sequence for lattice D*_68 (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=68.
%K nonn
%O 0,2
%A _N. J. A. Sloane_, J. Serra-Sagrista (jserra(AT)ccd.uab.es)
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