A264839 Number of 3 X n arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 5 and columns nondecreasing modulo 7.

1, 2, 22, 409, 4800, 147550, 5692511, 389627606

Offset

1,2

Comments

Row 3 of A264837.

Links

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

Example

Some solutions for n=4
..2..7..3..8....1..7..8..9...10..0..2..7...10..0..7..2...10..0..2..7
.10..0..4..9...10..0..2..3....3..8..4..9....5..8..4..9....3..8..4..9
..5..1.11..6....5..6.11..4....5..1.11..6....6..1.11..3....5..1..6.11

Crossrefs

Cf. A264837.

Sequence in context: A007842 A287595 A201511 * A241347 A163436 A377577

Adjacent sequences: A264836 A264837 A264838 * A264840 A264841 A264842

Keyword

nonn

Author

R. H. Hardin, Nov 26 2015

Status

approved