

A305568


Number of bachelor diagonal Latin squares of order n with the first row in ascending order.


3




OFFSET

1,5


COMMENTS

A bachelor diagonal Latin square is one with no orthogonal mate.


LINKS

E. I. Vatutin, Special types of diagonal Latin squares, Cloud and distributed computing systems in electronic control conference, within the National supercomputing forum (NSCF  2022). PereslavlZalessky, 2023. pp. 918. (in Russian)


FORMULA



CROSSREFS



KEYWORD

nonn,more,hard


AUTHOR



EXTENSIONS



STATUS

approved



