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A264836
Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 5 and columns nondecreasing modulo 7.
0
1, 2, 22, 271, 2703, 61692, 1521328, 77111451, 3285347994
OFFSET
1,2
COMMENTS
Column 3 of A264837.
EXAMPLE
Some solutions for n=4
..0..7..9....0..7..8....0..7..2...10..0..9....0..2..7....7..3..8....0..1..7
..2..8..3...10..1..2....3..8..9...11..7..2....1..3..8....0.11..1....8..4..9
.11..1..4....3..4..9...10..1.11....5..8..3....5.10..9....2..4..9...10.11..2
..5.10..6....5..6.11....5..6..4....6..1..4....6.11..4...10..5..6....5..6..3
CROSSREFS
Cf. A264837.
Sequence in context: A036841 A307852 A365529 * A135634 A156505 A367979
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2015
STATUS
approved