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A267394
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, west or northeast neighbors modulo n and the upper left element equal to 0.
0
1, 35, 33, 127, 626, 4189, 38879, 501695, 9072793
OFFSET
1,2
COMMENTS
Superdiagonal 2 of A267392.
EXAMPLE
Some solutions for n=4
..0..0..0..1..1..2....0..0..1..1..2..2....0..0..0..1..2..2....0..0..0..1..2..3
..1..1..1..2..2..3....1..1..2..2..3..3....1..1..1..2..3..3....1..1..1..2..3..3
..1..2..2..3..3..0....1..2..3..3..0..0....1..1..2..3..3..0....2..2..2..3..0..0
..2..3..3..3..0..0....2..3..3..0..0..1....2..2..3..3..0..0....2..3..3..0..1..1
CROSSREFS
Cf. A267392.
Sequence in context: A244214 A358931 A267077 * A022991 A023477 A307509
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 13 2016
STATUS
approved