login
A350023
Number of diagonal semisymmetric Latin squares of order n.
2
1, 0, 3, 2, 30, 0, 3000, 20160, 19571328, 8136806400, 13826847640320, 113788019281305600
OFFSET
1,3
COMMENTS
"Diagonal" means that the symbols on the main diagonal must all be different.
LINKS
Brendan D. McKay and Ian M. Wanless, Enumeration of Latin squares with conjugate symmetry, J. Combin. Des. 30 (2022), 105-130.
CROSSREFS
Sequence in context: A046272 A054676 A181994 * A353123 A154332 A375409
KEYWORD
nonn,more
AUTHOR
Ian Wanless, Dec 08 2021
STATUS
approved