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A287762 Number of self-orthogonal diagonal Latin squares of order n. 1
1, 0, 0, 48, 480, 0, 322560, 46448640, 81587036160 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

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

LINKS

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

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

Index entries for sequences related to Latin squares and rectangles

FORMULA

a(n) = A287761(n)*n!.

CROSSREFS

Cf. A160368, A287761.

Sequence in context: A192828 A259851 A223419 * A229505 A168351 A198398

Adjacent sequences:  A287759 A287760 A287761 * A287763 A287764 A287765

KEYWORD

nonn,more,changed

AUTHOR

Eduard I. Vatutin, May 31 2017

STATUS

approved

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Last modified October 18 18:08 EDT 2017. Contains 293525 sequences.