A266173 Number of species of sets of four orthogonal Latin squares.

1, 0, 0, 0, 1, 0, 1, 1, 96

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