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A266170
Number of species of maximal pairs of orthogonal Latin squares.
4
0, 0, 1, 0, 0, 0, 5, 2127, 91845941
OFFSET
1,7
COMMENTS
These pairs are maximal in that they cannot be extended to a triple of MOLS.
LINKS
P. Danziger, I. M. Wanless and B. S. Webb, Monogamous Latin Squares, J. Combin. Theory Ser. A 118 (2011), 796-807.
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
A129732 counts species of all pairs of MOLS whether maximal or not. Cf. A266171, A266177.
Sequence in context: A004816 A327763 A247106 * A114428 A074799 A172942
KEYWORD
nonn,more
AUTHOR
Ian Wanless, Dec 22 2015
STATUS
approved