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Search: id:A057498
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| A057498 |
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Number of noncommutative association schemes of order n. |
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+0
4
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| 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; listen)
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OFFSET
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1,8
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REFERENCES
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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
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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
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Cf. A057495, A057499, A057560.
Sequence in context: A107729 A113400 A136668 this_sequence A137949 A019214 A137668
Adjacent sequences: A057495 A057496 A057497 this_sequence A057499 A057500 A057501
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KEYWORD
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nonn,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Oct 01 2000
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