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A264864 Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 6 and columns nondecreasing modulo 7. 0
1, 5, 30, 839, 16365, 550479, 8299492, 275881482 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 3 of A264862.

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=4

..7..8..9.11....0..7..2..8....0..8..9.10....0..1..7..8....7..1..9.10

..0..1..3..4....1..9..3..4....7..1..2..3....2..3..9.10....0..8..2..4

..6..2.10..5....6.10.11..5....6..4..5.11....6..4.11..5....6..3..5.11

CROSSREFS

Cf. A264862.

Sequence in context: A058783 A203769 A264861 * A297472 A299129 A255677

Adjacent sequences:  A264861 A264862 A264863 * A264865 A264866 A264867

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 26 2015

STATUS

approved

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Last modified October 16 16:08 EDT 2019. Contains 328101 sequences. (Running on oeis4.)