A264836 Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 5 and columns nondecreasing modulo 7.

1, 2, 22, 271, 2703, 61692, 1521328, 77111451, 3285347994

Offset

1,2

Comments

Column 3 of A264837.

Links

Table of n, a(n) for n=1..9.

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

Adjacent sequences: A264833 A264834 A264835 * A264837 A264838 A264839

Keyword

nonn

Author

R. H. Hardin, Nov 26 2015

Status

approved