A267332 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 southwest or northwest neighbors modulo n and the upper left element equal to 0.

1, 462, 537, 10533, 359300, 14897883, 613275874, 23049149898, 792214723962, 25374821691357

Offset

1,2

Comments

Superdiagonal 4 of A267328.

Links

Table of n, a(n) for n=1..10.

Example

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

Crossrefs

Cf. A267328.

Sequence in context: A267343 A267396 A258962 * A353022 A104397 A108749

Adjacent sequences: A267329 A267330 A267331 * A267333 A267334 A267335

Keyword

nonn

Author

R. H. Hardin, Jan 13 2016

Status

approved