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A264796 Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 7.

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%I A264796 #3 Nov 25 2015 07:49:32
%S A264796 1,6,170,9656,1369408,275062400,89203565824
%N A264796 Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 7.
%C A264796 Row 3 of A264794.
%e A264796 Some solutions for n=4
%e A264796 ..0..8.11..7....0..2..8..7....8..0..3..7....0..2..8..7....0..1..9..7
%e A264796 ..9..1..5..3...10..9..1.11....1..9.11..5...11..5..1..9....4..8.10..2
%e A264796 ..2.10..6..4....6..4..3..5...10..2..4..6....4..6.10..3....6.11..5..3
%Y A264796 Cf. A264794.
%K A264796 nonn
%O A264796 1,2
%A A264796 _R. H. Hardin_, Nov 25 2015

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