A264643 T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 4.
1, 1, 1, 1, 1, 1, 2, 8, 6, 1, 4, 55, 149, 30, 2, 8, 572, 5080, 3741, 284, 4, 24, 5928, 364544, 1185056, 199456, 2344, 8, 72, 113808, 46305472, 715001088, 503460352, 18120064, 31632, 16, 216, 2536688, 6958619648
Offset: 1
Examples
Some solutions for n=3 k=4 ..9..0..8..5....2..5.11..8....0..1..4..8....0..6..8..5...10..1..4..8 ..1..4..7.10...10..1..7..4....9..3..5..2....9.10..4..1....6..9..3..0 ..3..6.11..2....6..9..3..0....6..7.10.11....3..7..2.11....7..2.11..5
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