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A264708 Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 6. 0

%I

%S 1,8,152,4544,202176,10964160,1200365568,150015836160,27805483008000

%N Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 6.

%C Column 3 of A264709.

%e Some solutions for n=4

%e ..0..6..2....9..0..6....0..6..7....6..7.10....9..6..7....6..0..7....3..6..0

%e ..3..7..8....3..1..2....1..8..2....0..1..4....3..0..2....1..8..2....9..1..7

%e ..9..1..4....4..7.10....3..9.11....8..2..5....4..1.10....9..3.11...10..2..8

%e .10..5.11....5..8.11....4.10..5....9..3.11...11..8..5...10..4..5....4..5.11

%Y Cf. A264709.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 21 2015

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Last modified July 6 07:06 EDT 2022. Contains 355108 sequences. (Running on oeis4.)