A030028 Theta series of hypothetical extremal 12-dimensional strongly 21-modular lattice.

1, 0, 0, 0, 64, 194, 474, 864

Offset

0,5

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: A336596 A175166 A220763 * A320338 A250135 A273321

Adjacent sequences: A030025 A030026 A030027 * A030029 A030030 A030031

Keyword

nonn,more

Author

N. J. A. Sloane.

Status

approved