A203054 Number of nX5 0..5 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor

636, 4078368, 15517802234, 50221974160730, 168179371998322692, 570286671940304710894, 1927846292259028240187308, 6511535556285256453569433756, 21999909860835890200424895723594

Offset

1,1

Comments

Column 5 of A203057

Links

R. H. Hardin, Table of n, a(n) for n = 1..153

Example

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

Crossrefs

Sequence in context: A253506 A202048 A251039 * A198774 A043483 A203042

Adjacent sequences: A203051 A203052 A203053 * A203055 A203056 A203057

Keyword

nonn

Author

R. H. Hardin Dec 28 2011

Status

approved