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A350020
Number of species containing semisymmetric Latin squares of order n.
1
1, 1, 1, 2, 2, 7, 28, 366, 13899, 1968997, 934327507
OFFSET
1,4
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
KEYWORD
nonn
AUTHOR
Ian Wanless, Dec 08 2021
STATUS
approved