A057499 - OEIS

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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: A364191 A367583 A302788 * A351464 A363943 A241919

Adjacent sequences: A057496 A057497 A057498 * A057500 A057501 A057502

KEYWORD

nonn,nice,more

AUTHOR

N. J. A. Sloane, Oct 01 2000

STATUS

approved