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A219375
Number of n X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 n X n array.
0
3, 7, 84, 2275, 143187, 23986853, 10160088596
OFFSET
1,1
COMMENTS
Diagonal of A219381.
EXAMPLE
Some solutions for n=3
..1..1..2....0..0..1....0..0..1....1..1..2....0..0..2....0..0..1....0..0..1
..1..1..2....1..0..1....1..0..0....1..1..2....1..0..2....0..0..0....0..0..1
..1..1..2....1..2..1....2..0..0....2..1..2....1..1..2....1..0..0....2..0..2
CROSSREFS
Cf. A219381.
Sequence in context: A045974 A001531 A219588 * A326427 A064118 A041705
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2012
STATUS
approved