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%I #5 Apr 23 2021 14:35:26
%S 1,2,22,409,4800,147550,5692511,389627606
%N Number of 3 X n arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 5 and columns nondecreasing modulo 7.
%C Row 3 of A264837.
%e Some solutions for n=4
%e ..2..7..3..8....1..7..8..9...10..0..2..7...10..0..7..2...10..0..2..7
%e .10..0..4..9...10..0..2..3....3..8..4..9....5..8..4..9....3..8..4..9
%e ..5..1.11..6....5..6.11..4....5..1.11..6....6..1.11..3....5..1..6.11
%Y Cf. A264837.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 26 2015
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