A219477 Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 7Xn array.
120, 3259, 982456, 208345624, 37552353044, 5432184254977, 664221777830589
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0 ..0..0..2....0..0..0....0..0..0....0..0..2....0..0..2....0..0..2....0..0..0 ..0..0..2....1..0..2....0..0..0....2..1..1....0..0..1....0..0..0....0..0..1 ..2..0..0....2..2..3....1..0..0....1..1..1....1..1..2....0..0..0....0..0..0 ..0..0..0....2..2..1....1..0..0....1..1..1....2..2..3....0..0..3....0..0..3 ..0..0..0....1..1..1....2..0..1....1..1..1....3..1..1....2..1..1....0..0..3 ..0..3..3....1..3..3....3..1..1....1..2..3....3..1..2....2..0..0....1..1..2
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