A219914 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX7 array

28, 28, 606, 6089, 65802, 645589, 6705546, 71452528, 764737940, 7932864789, 78651522555, 744576551164, 6781624070409, 59953227371061, 517463491924047, 4369553617090417

Offset

1,1

Comments

Column 7 of A219915

Links

Table of n, a(n) for n=1..16.

Example

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

Crossrefs

Sequence in context: A010867 A040757 A022362 * A165849 A364041 A093681

Adjacent sequences: A219911 A219912 A219913 * A219915 A219916 A219917

Keyword

nonn

Author

R. H. Hardin Dec 01 2012

Status

approved