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A219513
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..1 n X n array
0
2, 3, 11, 68, 620, 9292, 241413, 12385870, 1316975534, 278163891037
OFFSET
1,1
COMMENTS
Diagonal of A219519
EXAMPLE
Some solutions for n=3
..0..0..0....0..0..0....0..0..1....0..0..0....0..0..0....0..0..0....0..0..1
..0..0..0....0..0..0....0..0..1....0..0..0....0..0..0....0..0..0....0..0..0
..1..1..1....0..0..1....0..0..1....0..1..0....1..0..1....1..0..0....0..0..0
CROSSREFS
Sequence in context: A066046 A065597 A256394 * A001052 A184310 A301347
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 21 2012
STATUS
approved