A202913 Number of nX5 0..7 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor

1856, 44344428, 622483753816, 7102116597811456, 83625724607330716008, 1004339501638090612860422, 12023921497279230314645570796, 143695582305519870612690715284610, 1717901899177549261333129206749068244

Offset

1,1

Comments

Column 5 of A202916

Links

R. H. Hardin, Table of n, a(n) for n = 1..33

Example

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

Crossrefs

Sequence in context: A243236 A051355 A064978 * A159212 A120809 A213868

Adjacent sequences: A202910 A202911 A202912 * A202914 A202915 A202916

Keyword

nonn

Author

R. H. Hardin Dec 26 2011

Status

approved