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A264793 Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 7. 0

%I

%S 2,15,170,3089,106568,4676432,252331392,19898286080

%N Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 7.

%C Column 3 of A264794.

%e Some solutions for n=5

%e ..2.14..9....0..8..7....9..1..7....0..7..9....2..8.14...14..1..7...14..0..7

%e .10..0..3...14..1..9...10..8..0....8.14..2....9..1..7....0..9..3....8..3..1

%e ..4..7.11...10..2.11...12..2.14....3..1.11...10..4..0....8.10.11....2.11..9

%e .12..8..6....3..5.13....6..4..3...10..4..5....5.11..3....2.12..4...10..4..5

%e ..5..1.13....4.12..6...13..5.11....6.12.13...12..6.13....6.13..5...12..6.13

%Y Cf. A264794.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 25 2015

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Last modified May 22 22:13 EDT 2022. Contains 353959 sequences. (Running on oeis4.)