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A267279 Number of (n+1)Xn arrays containing n copies of 0..n+1-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo n and the upper left element equal to 0. 0
1, 5, 24, 293, 6240, 315356, 33284502 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Subdiagonal 1 of A267278.

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=4

..0..2..1..4....0..3..1..4....0..4..2..1....0..3..1..0....0..3..1..0

..2..0..3..1....2..0..3..1....3..1..0..3....3..1..4..2....3..1..4..2

..4..2..0..3....4..2..0..3....1..4..2..1....1..4..2..4....0..3..2..4

..1..4..3..1....1..4..2..1....4..2..0..3....3..1..4..2....3..1..4..2

..3..2..0..4....4..2..0..3....2..4..3..0....0..3..2..0....1..4..2..0

CROSSREFS

Cf. A267278.

Sequence in context: A259355 A297664 A051812 * A257214 A003224 A270581

Adjacent sequences:  A267276 A267277 A267278 * A267280 A267281 A267282

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 12 2016

STATUS

approved

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Last modified August 18 10:31 EDT 2022. Contains 356211 sequences. (Running on oeis4.)