A219380 Number of nX7 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 nX7 array

28, 103, 7472, 278221, 10491397, 336754108, 10160088596

Offset

1,1

Comments

Column 7 of A219381

Links

Table of n, a(n) for n=1..7.

Example

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

Crossrefs

Sequence in context: A130281 A255218 A168254 * A263200 A223443 A201469

Adjacent sequences: A219377 A219378 A219379 * A219381 A219382 A219383

Keyword

nonn

Author

R. H. Hardin Nov 19 2012

Status

approved