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A057499 Number of primitive association schemes of order n. 3
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; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..28.

A. Hanaki and I. Miyamoto, Classification of association schemes with small vertices

Akihide Hanaki and Izumi Miyamoto, Classification of primitive association schemes of order up to 22, Kyushu J. Math., 54 (2000), 81-86.

Y. Suga, Association schemes with up to 15 vertices [Broken link]

CROSSREFS

Cf. A057495, A057498, A057560.

Sequence in context: A260738 A055396 A302788 * A241919 A286469 A064839

Adjacent sequences:  A057496 A057497 A057498 * A057500 A057501 A057502

KEYWORD

nonn,nice,more

AUTHOR

N. J. A. Sloane, Oct 01 2000

STATUS

approved

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Last modified November 15 19:18 EST 2019. Contains 329149 sequences. (Running on oeis4.)