A219379 Number of nX6 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 columns, 0..2 nX6 array.

21, 66, 2792, 60738, 1307685, 23986853, 409150493, 6702007395, 105240489608, 1564398481928, 21973021284822, 293178712037844

Offset

1,1

Comments

Column 6 of A219381

Links

Table of n, a(n) for n=1..12.

Example

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

Crossrefs

Sequence in context: A020309 A048713 A219814 * A168240 A123779 A123839

Adjacent sequences: A219376 A219377 A219378 * A219380 A219381 A219382

Keyword

nonn

Author

R. H. Hardin, Nov 19 2012

Status

approved