A266171 Number of reduced maximal pairs of orthogonal Latin squares.

0, 0, 1, 0, 0, 0, 341880, 7832534400, 7188529229970480

Offset: 1

Author

Ian Wanless, Dec 23 2015

Keywords

• nonn
• more

Comments

A pair of MOLS is reduced if their first rows are in natural order and so is the first column of the first square. The pair is maximal if it cannot be extended to a triple of MOLS.

Links

• 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. A072377, A266166, A266170.