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A267396 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 northeast neighbors modulo n and the upper left element equal to 0. 0
1, 462, 278, 1975, 20470, 296985, 5950744, 165102597 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Superdiagonal 4 of A267392.

LINKS

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

EXAMPLE

Some solutions for n=4

..0..0..1..1..2..2..2..3....0..0..1..1..2..2..3..3....0..0..0..1..1..1..2..3

..0..1..1..2..2..3..3..0....1..1..1..2..2..3..3..0....0..1..1..2..2..2..3..0

..1..2..2..3..3..0..0..0....1..2..2..3..3..3..0..0....1..2..2..2..3..3..0..0

..2..3..3..3..0..1..1..1....2..2..3..0..0..0..1..1....2..3..3..3..3..0..1..1

CROSSREFS

Cf. A267392.

Sequence in context: A094380 A267404 A267343 * A258962 A267332 A104397

Adjacent sequences:  A267393 A267394 A267395 * A267397 A267398 A267399

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 13 2016

STATUS

approved

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Last modified January 25 04:34 EST 2022. Contains 350565 sequences. (Running on oeis4.)