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A267329
Number of nX(n+1) arrays of permutations of n+1 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.
0
1, 10, 15, 22, 30, 38, 46, 54, 62, 70, 78, 86
OFFSET
1,2
COMMENTS
Superdiagonal 1 of A267328.
EXAMPLE
Some solutions for n=4
..0..1..2..3..0....0..1..2..3..0....0..0..1..1..2....0..1..2..3..0
..0..1..2..3..3....0..1..2..3..0....3..0..1..2..2....1..1..2..3..0
..0..1..2..2..3....1..1..2..3..0....3..0..1..2..3....1..2..2..3..0
..0..1..1..2..3....1..2..2..3..3....3..0..1..2..3....1..2..3..3..0
CROSSREFS
Cf. A267328.
Sequence in context: A337610 A109373 A373421 * A120138 A373613 A050200
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 13 2016
STATUS
approved