A219476 Number of 6Xn 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 6Xn array.
84, 1471, 185800, 17399442, 1357658929, 86755752059, 4758315482104
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..2....0..0..2....0..0..2....0..0..1....0..0..1....0..0..0....0..0..0 ..0..0..0....1..1..1....0..0..1....0..0..0....0..0..0....0..0..2....0..1..1 ..0..0..0....2..0..0....1..1..2....2..0..1....0..0..1....2..1..1....1..0..0 ..0..1..1....2..0..2....3..2..2....1..1..1....0..0..2....2..1..2....2..0..0 ..1..1..1....2..3..3....3..2..2....1..1..2....0..0..0....2..2..2....0..0..0 ..1..2..2....3..3..3....3..2..3....3..2..3....0..0..3....3..1..1....0..2..2
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