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A057499
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Number of primitive association schemes of order n.
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3
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1, 1, 2, 1, 3, 1, 4, 1, 2, 2, 4, 1, 6, 1, 3, 6, 5, 1, 7, 1, 3, 1, 22, 1, 16, 11, 378, 8
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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REFERENCES
| Akihide Hanaki and Izumi Miyamoto, Classification of primitive association schemes of order up to 22, Kyushu J. Math., 54 (2000), 81-86.
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LINKS
| A. Hanaki and I. Miyamoto, Classification of association schemes with small vertices
Y. Suga, Association schemes with up to 15 vertices
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CROSSREFS
| Cf. A057495, A057498, A057560.
Sequence in context: A128267 A028920 A055396 * A064839 A094741 A029234
Adjacent sequences: A057496 A057497 A057498 * A057500 A057501 A057502
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KEYWORD
| nonn,nice
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Oct 01 2000
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