|
Search: id:A004537
|
|
|
| A004537 |
|
Theta series of 23-dimensional shorter Leech lattice. |
|
+0
1
|
|
| 1, 0, 0, 4600, 93150, 953856, 6476800, 32788800, 133204500, 458086400, 1384998912, 3771829800, 9403968600, 21771763200, 47406643200, 97917423808, 192825064350, 364086835200, 663509299200, 1171711866600
(list; graph; listen)
|
|
|
OFFSET
|
0,4
|
|
|
REFERENCES
|
J. H. Conway, A. M. Odlyzko and N. J. A. Sloane, Extremal Self-Dual Lattices Exist Only in Dimensions 1-8, 12, 14, 15, 23 and 24, Mathematika, 25 (1978), 36-43.
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 441.
|
|
LINKS
|
N. Heninger, E. M. Rains and N. J. A. Sloane, On the Integrality of n-th Roots of Generating Functions, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.
|
|
CROSSREFS
|
Sequence in context: A104947 A030471 A068756 this_sequence A032745 A020437 A157364
Adjacent sequences: A004534 A004535 A004536 this_sequence A004538 A004539 A004540
|
|
KEYWORD
|
nonn,nice
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com).
|
|
|
Search completed in 0.002 seconds
|
