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A267198 Number of nX(n+2) arrays of permutations of n+2 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. 0
1, 35, 11, 23, 47, 92, 166, 285, 460, 717, 1068, 1554, 2187, 3026, 4082, 5436 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Superdiagonal 2 of A267197.

LINKS

Table of n, a(n) for n=1..16.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A267197.

Sequence in context: A277079 A248477 A051050 * A267140 A088830 A033355

Adjacent sequences:  A267195 A267196 A267197 * A267199 A267200 A267201

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 11 2016

STATUS

approved

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Last modified July 28 19:33 EDT 2021. Contains 346335 sequences. (Running on oeis4.)