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A267782
Number of n X n 0..1 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.
0
2, 16, 216, 5081, 122770, 4245574, 132388406, 5520112546, 217360101006, 10635681264937
OFFSET
1,1
COMMENTS
Diagonal of A267788.
EXAMPLE
Some solutions for n=4
..1..0..0..1....0..1..1..0....0..0..0..0....1..1..1..1....0..1..0..0
..0..0..0..0....0..1..0..0....0..1..1..0....0..0..0..0....1..0..1..1
..1..1..1..1....1..0..0..1....1..1..0..1....1..1..0..1....0..1..0..0
..1..1..0..1....1..1..1..1....1..0..1..1....0..1..1..0....1..0..0..1
CROSSREFS
Cf. A267788.
Sequence in context: A365585 A012056 A062971 * A012164 A264543 A223638
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2016
STATUS
approved