A339926 Number of pairs of orthogonal diagonal Latin squares of order n.
1, 0, 0, 1152, 57600, 0, 8128512000, 2149984921190400, 44762708532894105600
Offset: 1
Links
- Eduard I. Vatutin, Natalia N. Nikitina, Maxim O. Manzuk, First results of an experiment on studying the properties of DLS of order 9 in the volunteer distributed computing projects Gerasim@Home and RakeSearch (in Russian).
- Eduard I. Vatutin, Natalia N. Nikitina, Maxim O. Manzuk, Additional calculated results of an experiment on studying the properties of DLS of order 9 in the volunteer distributed computing projects Gerasim@Home and RakeSearch (in Russian).
Formula
a(n) = A287651(n) * (n!)^2.