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A219809
Number of n X n arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X n array
0
3, 6, 62, 648, 11395, 510090, 59065976
OFFSET
1,1
COMMENTS
Diagonal of A219816
EXAMPLE
Some solutions for n=3
..1..0..0....1..0..0....0..0..0....0..0..0....1..0..0....2..1..1....0..0..0
..1..0..0....1..0..0....2..0..0....1..0..0....2..1..0....2..1..1....0..0..0
..2..1..0....2..2..0....2..2..1....2..2..0....2..1..1....2..1..1....0..0..0
CROSSREFS
Sequence in context: A103066 A145887 A364852 * A137123 A137133 A137137
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 28 2012
STATUS
approved