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A264861 Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 6 and columns nondecreasing modulo 7. 0
1, 5, 30, 839, 15000, 530302, 7041672, 211818498, 5213013996 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 3 of A264862.
LINKS
EXAMPLE
Some solutions for n=4
..7..8..2....0..1..9....7..1..3....0..7..8....0..7..8....0..1..9....0..7.10
..0..1.10....7..8..2....0..8.10....1..9..3....1..2..3....7..8..3....1..2..3
..9..3.11....3..4.10....2..9..4....2..4.10....9.10..4....2..4.10....8..9..4
..6..4..5....6..5.11....6..5.11....6.11..5....6..5.11....6.11..5....6.11..5
CROSSREFS
Cf. A264862.
Sequence in context: A052172 A058783 A203769 * A264864 A297472 A299129
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2015
STATUS
approved

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Last modified November 28 17:53 EST 2023. Contains 367419 sequences. (Running on oeis4.)