A114628 Number of even Latin squares of order n.

1, 2, 6, 576, 80640, 505958400, 30739709952000, 55019078005712486400

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: A124061 A354516 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