A030029 Theta series of hypothetical extremal 12-dimensional strongly 21-modular lattice.

1, 0, 0, 0, 0, 378, 504, 756

Offset

0,6

Links

Table of n, a(n) for n=0..7.

R. Scharlau and R. Schulze-Pillot, Extremal lattices, in ``Algorithmic Algebra and Number Theory'', edited by B. H. Matzat, G.-M. Greuel, G. Hiss, 139-170, Springer Verlag, 1999.

Crossrefs

Sequence in context: A098835 A134602 A268373 * A064242 A116339 A225440

Adjacent sequences: A030026 A030027 A030028 * A030030 A030031 A030032

Keyword

nonn,more

Author

N. J. A. Sloane.

Status

approved