A219887 Number of 6Xn 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 nonincreasing columns, 0..2 6Xn array.
28, 151, 1069, 10350, 89795, 764027, 6337533, 51044999, 398508546, 2994521086
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..0....1..1..1....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0 ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0 ..1..0..0....0..0..0....1..0..1....1..1..1....0..1..0....1..1..1....1..0..1 ..2..0..0....0..0..0....1..0..0....0..1..0....1..1..1....1..1..2....1..0..1 ..2..0..1....0..0..0....1..0..0....0..0..0....2..1..1....1..0..2....2..0..0 ..2..1..1....2..0..0....1..0..2....0..2..0....2..1..1....2..0..0....2..0..2
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