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A114628 Number of even Latin squares of order n. 1
1, 2, 6, 576, 80640, 505958400, 30739709952000, 55019078005712486400 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

Eric Weisstein's World of Mathematics, Alon-Tarsi Paradox

Eric Weisstein's World of Mathematics, Latin Square

CROSSREFS

Cf. A002860, A065711, A114629, A114630.

Sequence in context: A123261 A124061 A007189 * A135424 A132495 A112724

Adjacent sequences:  A114625 A114626 A114627 * A114629 A114630 A114631

KEYWORD

nonn,hard,more

AUTHOR

Eric W. Weisstein, Dec 18 2005

STATUS

approved

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Last modified October 16 20:36 EDT 2021. Contains 348047 sequences. (Running on oeis4.)