%I #6 Nov 23 2015 09:11:49
%S 1,0,540,21120,286740,2132352,10878300,44012160,146719620,417436800,
%T 1093070376,2572283520,5570541780,11568510720,22583167200,41422741632,
%U 75113550180,129368897280,214148621340
%N Theta series of extremal 3-modular even lattice in dimension 20.
%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_.