A267329 Number of nX(n+1) arrays of permutations of n+1 copies of 0..n-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo n and the upper left element equal to 0.

1, 10, 15, 22, 30, 38, 46, 54, 62, 70, 78, 86

Offset

1,2

Comments

Superdiagonal 1 of A267328.

Links

Table of n, a(n) for n=1..12.

Example

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

Crossrefs

Cf. A267328.

Sequence in context: A115679 A337610 A109373 * A120138 A050200 A034961

Adjacent sequences: A267326 A267327 A267328 * A267330 A267331 A267332

Keyword

nonn

Author

R. H. Hardin, Jan 13 2016

Status

approved