A219827 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..3 nX7 array

84, 721, 186016, 20765879, 2362961573

Offset

1,1

Comments

Column 7 of A219828

Links

Table of n, a(n) for n=1..5.

Example

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

Crossrefs

Sequence in context: A264654 A230907 A220016 * A219719 A069080 A219577

Adjacent sequences: A219824 A219825 A219826 * A219828 A219829 A219830

Keyword

nonn

Author

R. H. Hardin Nov 28 2012

Status

approved