A350020 Number of species containing semisymmetric Latin squares of order n.

1, 1, 1, 2, 2, 7, 28, 366, 13899, 1968997, 934327507

Offset: 1

Author

Ian Wanless, Dec 08 2021

Keywords

• nonn

Comments

Species (also called "main classes") are the largest natural equivalence classes of Latin squares.

Links

• Brendan D. McKay and Ian M. Wanless, Enumeration of Latin squares with conjugate symmetry, J. Combin. Des. 30 (2022), 105-130.

Crossrefs

Cf. A076016, A076017, A350019.