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A267736 Number of n X n arrays containing n copies of 0..n-1 with every element equal to or 1 greater than any west or northeast neighbors modulo n and the upper left element equal to 0. 0
1, 3, 17, 123, 1811, 55105, 3562990, 491779927 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Diagonal of A267742.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..2....0..1..2..3....0..1..1..1....0..0..1..2....0..0..1..2
..2..2..2..3....2..3..3..3....1..2..2..3....1..1..2..3....0..1..2..2
..3..3..3..0....0..0..0..1....2..2..3..3....2..2..3..0....1..2..3..3
..0..0..1..1....1..1..2..2....3..0..0..0....3..3..0..1....3..3..0..1
CROSSREFS
Cf. A267742.
Sequence in context: A074543 A216314 A330803 * A129115 A246963 A093460
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2016
STATUS
approved

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)