A267200 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, southwest or northwest neighbors modulo n and the upper left element equal to 0.

1, 462, 46, 178, 1233, 9087, 65391, 457822, 3063056, 19883831, 124433749, 755039373, 4426858593

Offset

1,2

Comments

Superdiagonal 4 of A267197.

Links

Table of n, a(n) for n=1..13.

Example

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

Crossrefs

Cf. A267197.

Sequence in context: A107121 A101734 A059025 * A348899 A094380 A267404

Adjacent sequences: A267197 A267198 A267199 * A267201 A267202 A267203

Keyword

nonn

Author

R. H. Hardin, Jan 11 2016

Status

approved