A008664 - OEIS

%I #8 Mar 30 2012 16:45:22

%S 1,0,0,8,18,0,0,96,90,0,0,72,212,0,0,480,330,0,0,264,528,0,0,1056,836,

%T 0,0,528,1056,0,0,1920,1386,0,0,768,1894,0,0,3360,2064,0,0,1224,2484,

%U 0,0,4416,3428,0,0,1936

%N Theta series of direct sum of f.c.c. and b.c.c. lattices.

%D J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 113, 116.

%H <a href="/index/Ba#bcc">Index entries for sequences related to b.c.c. lattice</a>

%H <a href="/index/Fa#fcc">Index entries for sequences related to f.c.c. lattice</a>

%K nonn,easy

%O 0,4

%A _N. J. A. Sloane_.