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Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 5 and columns nondecreasing modulo 6.
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%I #3 Nov 21 2015 08:33:43

%S 1,2,2,18,116,627,6211,59011,449824,5256100,90734544,1163859524,

%T 24333174896,578216191424,11292787466976

%N Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 5 and columns nondecreasing modulo 6.

%C Row 2 of A264714.

%e Some solutions for n=6

%e ..0.11..1..6..8..9...10..0..1..6..2..7....0..5..6..1..3..8....0.11..1..6..7..3

%e .10..5..7..2..3..4....5.11..3..8..4..9...10.11..7..2..9..4...10..5..2..8..4..9

%Y Cf. A264714.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 21 2015