1,4

A self-orthogonal diagonal Latin square is a diagonal Latin square orthogonal to its transpose.

Table of n, a(n) for n=1..9.

Harry White, Self-orthogonal Diagonal Latin Squares. How many.

Index entries for sequences related to Latin squares and rectangles

a(n) = A287762(n)/n!.

Cf. A160368, A287762.

Sequence in context: A173220 A012362 A012710 * A009512 A287651 A163259

Adjacent sequences: A287758 A287759 A287760 * A287762 A287763 A287764

nonn,more,changed

Eduard I. Vatutin, May 31 2017

approved