A267404 Number of nX(n+4) arrays of permutations of n+4 copies of 0..n-1 with every element equal to or 1 greater than any north, west or northwest neighbors modulo n and the upper left element equal to 0.

1, 462, 200, 1182, 7664, 52005, 344458, 2257160, 14229034, 87083229, 511848967

Offset

1,2

Comments

Superdiagonal 4 of A267401.

Links

Table of n, a(n) for n=1..11.

Example

Some solutions for n=4
..0..0..0..1..1..2..3..3....0..1..1..2..2..3..0..0....0..1..2..3..3..3..3..0
..0..0..1..1..2..2..3..3....1..1..2..2..3..3..0..0....1..1..2..3..0..0..0..0
..0..1..1..2..2..2..3..0....1..2..2..2..3..3..0..1....2..2..2..3..0..1..1..1
..1..1..2..2..3..3..3..0....1..2..3..3..3..0..0..1....2..2..3..3..0..1..1..2

Crossrefs

Cf. A267401.

Sequence in context: A267200 A348899 A094380 * A267343 A267396 A258962

Adjacent sequences: A267401 A267402 A267403 * A267405 A267406 A267407

Keyword

nonn

Author

R. H. Hardin, Jan 13 2016

Status

approved