A202914 Number of nX6 0..7 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor

9052, 1707628408, 165216756703876, 12637286590945269232, 1004339501638090612860422, 81642366196089406720417732740, 6613658872365063161591092431692334

Offset

1,1

Comments

Column 6 of A202916

Links

R. H. Hardin, Table of n, a(n) for n = 1..8

Example

Some solutions for n=4
..0..3..0..2..4..4....6..7..1..1..4..7....7..6..4..5..6..0....1..5..6..6..1..4
..7..4..3..7..1..4....2..7..2..4..3..7....7..7..4..1..7..4....6..0..7..7..6..5
..7..3..0..7..1..4....1..6..1..4..6..7....2..3..0..3..7..2....6..3..0..5..1..3
..7..5..5..4..1..0....2..5..0..3..1..2....6..6..1..0..0..0....2..6..6..3..0..0

Crossrefs

Sequence in context: A161610 A204535 A345389 * A252443 A061135 A118700

Adjacent sequences: A202911 A202912 A202913 * A202915 A202916 A202917

Keyword

nonn

Author

R. H. Hardin Dec 26 2011

Status

approved