A219684 Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX6 array.

21, 32, 452, 5031, 44736, 344926, 2706117, 22404783, 187497531, 1518906665, 11728070120, 86620862097, 616844079105, 4256996307319, 28523072830335, 185674613829792, 1175484129892778, 7248518396992789, 43607030016608124

Offset: 1

Author

R. H. Hardin Nov 25 2012

Keywords

• nonn

Comments

Column 6 of A219686

Examples

			Some solutions for n=3
..2..2..2..1..0..0....1..1..0..0..0..0....2..0..0..0..0..0....1..1..1..1..0..0
..2..2..2..1..0..0....1..1..0..0..0..0....2..0..0..0..0..0....1..1..1..1..0..0
..2..2..2..1..1..2....1..1..1..0..0..0....2..2..2..2..1..1....2..2..1..0..0..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..34