|
|
A054908
|
|
Number of n-dimensional odd unimodular lattice (or quadratic forms) containing no vectors of norm 1.
|
|
2
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 4, 3, 12, 12, 28, 49, 156, 368
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,19
|
|
REFERENCES
|
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 49.
|
|
LINKS
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,nice,more,hard
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|