A375121 -id:A375121 - cp's OEIS frontend

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A375141 Number of even reduced Latin squares of order n.

Original entry on oeis.org

1, 1, 1, 4, 40, 5856, 8609280

Offset: 1

Carolin Hannusch, Jul 31 2024

			n=4: [[1, 2, 3, 4], [2, 1, 4, 3], [3, 4, 1, 2], [4, 3, 2, 1]];
 [[1, 2, 3, 4], [2, 1, 4, 3], [3, 4, 2, 1], [4, 3, 1, 2]];
 [[1, 2, 3, 4], [2, 3, 4, 1], [3, 4, 1, 2], [4, 1, 2, 3]];
 [[1, 2, 3, 4], [2, 4, 1, 3], [3, 1, 4, 2], [4, 3, 2, 1]]

Carolin Hannusch, Python program for latin squares

Cf. A000315, A375121.

a(n) + A375121(n) = A000315(n).

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