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A264817 Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 7. 0

%I

%S 1,8,59,743,17869,530230,16961815,1040174384

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

%C Column 3 of A264818.

%e Some solutions for n=5

%e ..9..0.14....0.10.14....0..1..7....7..1.14....7.14..8....0.14..8....0..7.10

%e .10..7..2....7..4..1....9..3.14....0..9..8....9..0..2....1..7..4...14..8.11

%e ..3..8.11....2..5..8...12.10..8...10..5..2....3..1.10...10..2.11....1..2..5

%e .12..1..4....9.13.11....6.11..2....3..6.11....4..5.11...12..9..5....3..9.12

%e ..6.13..5....3..6.12...13..4..5...12.13..4...12..6.13....6..3.13....6..4.13

%Y Cf. A264818.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 25 2015

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Last modified November 27 12:51 EST 2021. Contains 349394 sequences. (Running on oeis4.)