%I #6 Nov 23 2015 08:38:10
%S 1,0,648,17712,179334,1043280,4517208,15781392,44619984,116385552,
%T 272587680,572320080,1157871078,2232349632,3924968400,6928383600,
%U 11708537526,18624904128,29674012392,46479068784
%N Theta series of extremal 3-modular even lattice in dimension 18.
%H H.-G. Quebbemann, <a href="http://dx.doi.org/10.1006/jnth.1995.1111">Modular lattices in Euclidean spaces</a>, J. Number Theory, 54 (1995), 190-202.
%K nonn
%O 0,3
%A _N. J. A. Sloane_.