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A219166
Number of n X n arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 n X n array
0
3, 7, 146, 5853, 602498, 165134835, 144424701184
OFFSET
1,1
COMMENTS
Diagonal of A219173
EXAMPLE
Some solutions for n=3
..0..0..0....1..1..1....0..0..0....0..0..0....0..0..1....0..0..1....1..1..2
..0..0..0....1..0..2....0..0..2....0..0..0....0..1..1....0..0..0....1..0..1
..1..2..0....0..0..0....0..1..2....1..0..0....2..1..1....0..0..0....0..0..0
CROSSREFS
Sequence in context: A156521 A012636 A006031 * A374090 A119958 A275195
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 13 2012
STATUS
approved