|
| |
|
|
A057498
|
|
Number of noncommutative association schemes of order n.
|
|
3
| |
|
|
0, 0, 0, 0, 0, 1, 0, 2, 0, 2, 0, 12, 0, 2, 1, 49, 0, 22, 0, 22, 3, 2, 0, 242, 0, 4, 10, 22
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,8
|
|
|
REFERENCES
| Akihide Hanaki and Izumi Miyamoto, Classification of primitive association schemes of order up to 22, Kyushu J. Math., 54 (2000), 81-86.
|
|
|
LINKS
| A. Hanaki and I. Miyamoto, Classification of association schemes with small vertices
Y. Suga, Association schemes with up to 15 vertices
|
|
|
CROSSREFS
| Cf. A057495, A057499, A057560.
Sequence in context: A113400 A089780 A136668 * A137949 A019214 A137668
Adjacent sequences: A057495 A057496 A057497 * A057499 A057500 A057501
|
|
|
KEYWORD
| nonn,nice
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Oct 01 2000
|
| |
|
|