A219834 Number of 7Xn 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..3 7Xn array

120, 2748, 413442, 40480756, 3570274220, 281148237555

Offset

1,1

Comments

Row 7 of A219828

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Sequence in context: A126232 A105943 A219945 * A250651 A052721 A060490

Adjacent sequences: A219831 A219832 A219833 * A219835 A219836 A219837

Keyword

nonn

Author

R. H. Hardin Nov 28 2012

Status

approved