A203065 Number of nX7 0..6 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor

22736, 13830934581, 3898031053158067, 877818049790930479334, 207287504789972922629533641, 49914811479638345089686932458181

Offset

1,1

Comments

Column 7 of A203066

Links

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

Example

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

Crossrefs

Sequence in context: A263195 A254087 A254094 * A253579 A197319 A263215

Adjacent sequences: A203062 A203063 A203064 * A203066 A203067 A203068

Keyword

nonn

Author

R. H. Hardin Dec 28 2011

Status

approved