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 A264727 Number of n X 3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 6. 0

%I

%S 1,4,48,474,11552,460672,29777920,1502334976,122494021632

%N Number of n X 3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 6.

%C Column 3 of A264728.

%e Some solutions for n=5

%e .12..0..1...12..1..6....0.12.13...12.13..7....0.13..7...12.13..1...12..6..7

%e .13..6..7....0.13..9...14..6..7....6..2.14....6.14..2....6.14..7....0..9.13

%e ..8.10..2....2..7..3....9..1..3....0..8.10...12..9..3....0..9..3....1.10.14

%e .14.11..3...14.10.11....4..8.10....1..9..5....1.10.11....8..4..5....8..4..2

%e ..4..5..9....8..4..5....5..2.11....4..3.11....8..4..5....2.10.11....5.11..3

%Y Cf. A264728.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 22 2015

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Last modified December 8 03:48 EST 2022. Contains 358672 sequences. (Running on oeis4.)