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

1,1

Comments

Column 6 of A219686

Links

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

Example

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

Crossrefs

Sequence in context: A261910 A351842 A075110 * A219881 A181677 A036382

Adjacent sequences: A219681 A219682 A219683 * A219685 A219686 A219687

Keyword

nonn

Author

R. H. Hardin Nov 25 2012

Status

approved