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A305569 Number of bachelor diagonal Latin squares. 2
0, 0, 0, 0, 480, 92160, 861557760, 300261256888320 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

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

LINKS

Table of n, a(n) for n=1..8.

E. I. Vatutin, Discussion about properties of diagonal Latin squares at forum.boinc.ru (in Russian)

Index entries for sequences related to Latin squares and rectangles

FORMULA

a(n) = A305568(n) * n!.

a(n) = A274806(n) - A305571(n).

CROSSREFS

Cf. A266177, A305568, A305571.

Sequence in context: A107511 A288471 A008410 * A289638 A289744 A287933

Adjacent sequences:  A305566 A305567 A305568 * A305570 A305571 A305572

KEYWORD

nonn,more

AUTHOR

Eduard I. Vatutin, Jun 05 2018

STATUS

approved

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Last modified July 17 01:41 EDT 2018. Contains 312693 sequences. (Running on oeis4.)