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A266173 Number of species of sets of four orthogonal Latin squares. 3
1, 0, 0, 0, 1, 0, 1, 1, 96 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,9

COMMENTS

Also the number of strength 2 orthogonal arrays OA(6,n^2) up to isomorphism.

LINKS

Table of n, a(n) for n=1..9.

J. Egan and I. M. Wanless, Enumeration of MOLS of small order, Mathematics of Computation 85, 2016, 799-824.

Ian Wanless Data on MOLS

CROSSREFS

Cf. A129732, A266172.

Sequence in context: A255936 A203187 A103281 * A057400 A216404 A033416

Adjacent sequences:  A266170 A266171 A266172 * A266174 A266175 A266176

KEYWORD

nonn,more

AUTHOR

Ian Wanless, Dec 23 2015

STATUS

approved

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Last modified August 11 19:26 EDT 2022. Contains 356066 sequences. (Running on oeis4.)