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Search: id:A057560
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| A057560 |
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Weakly distance-regular digraphs on n nodes (excluding distance-regular graphs). |
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+0
4
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| 0, 0, 1, 2, 1, 6, 2, 12, 6, 5, 2, 34, 2, 9, 19, 44, 1, 46, 3, 31, 17
(list; graph; listen)
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OFFSET
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1,4
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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, A057498, A057499.
Sequence in context: A071883 A099304 A064680 this_sequence A085592 A089849 A006019
Adjacent sequences: A057557 A057558 A057559 this_sequence A057561 A057562 A057563
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KEYWORD
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nonn,nice
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AUTHOR
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njas, Oct 01 2000
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