%I #16 Apr 15 2018 08:39:29
%S 1,120,5880,150240,2125560,16730064,80352480,343550400,1074130680,
%T 3300009240,8002059984,20074327200,41273292000,90329139600,
%U 165297094080,327390278976,549728415480,1009882047600
%N Theta series of direct sum of 5 copies of D_4 lattice.
%D J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 119.
%H Seiichi Manyama, <a href="/A008661/b008661.txt">Table of n, a(n) for n = 0..10000</a>
%H <a href="/index/Da#D4">Index entries for sequences related to D_4 lattice</a>
%t terms = 18; s = (1/2 (EllipticTheta[3, 0, q]^4 + EllipticTheta[4, 0, q]^4) )^5 + O[q]^(2 terms); CoefficientList[s, q^2] (* _Jean-François Alcover_, Jul 08 2017 *)
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_