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A219600
Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 7Xn array
0
28, 247, 4129, 60252, 1093496, 21435360, 415752625
OFFSET
1,1
COMMENTS
Row 7 of A219595
EXAMPLE
Some solutions for n=3
..0..0..0....0..0..0....1..0..0....0..0..0....1..0..0....0..0..0....1..1..1
..1..0..0....0..0..0....1..0..0....0..0..0....1..1..0....1..0..0....1..1..1
..1..1..1....1..1..1....1..1..0....1..0..0....1..0..0....1..1..1....1..1..0
..1..1..0....1..1..1....1..0..1....2..1..0....0..0..0....1..0..1....1..0..0
..1..0..0....2..2..1....0..0..0....2..2..1....0..0..0....0..0..0....1..0..0
..0..0..0....2..2..2....2..0..1....2..2..2....2..0..1....0..0..0....2..0..0
..1..0..0....2..2..2....2..1..1....2..2..2....2..1..1....2..0..0....2..2..0
CROSSREFS
Sequence in context: A112797 A085438 A188526 * A092341 A042522 A025517
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 23 2012
STATUS
approved