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A219453
Number of n X n arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 n X n array
0
4, 4, 114, 3422, 435960, 124508284
OFFSET
1,1
COMMENTS
Diagonal of A219460
EXAMPLE
Some solutions for n=3
..2..2..2....2..1..1....1..1..1....1..1..1....2..2..3....0..0..2....2..2..2
..1..0..0....0..0..0....1..0..0....1..1..1....2..2..3....0..0..0....2..2..2
..1..0..0....0..0..0....2..0..0....1..1..2....2..2..3....0..0..0....3..2..2
CROSSREFS
Sequence in context: A009534 A009559 A163196 * A283453 A055071 A213142
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 20 2012
STATUS
approved