A183580 Half the number of nX5 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors

14, 2216, 110674, 5987795, 320224986, 17195908538, 922710498351, 49526167251643, 2658141294593252, 142669482408162261, 7657427974138825496, 410994055177191194749, 22059119691987705997667, 1183970555622672309839445

Offset

1,1

Comments

Column 5 of A183584

Links

R. H. Hardin, Table of n, a(n) for n = 1..135

Example

Some solutions with a(1,1)<=1 for 3X5
..0..1..1..0..1....0..0..1..1..1....0..0..0..0..2....0..0..1..1..3
..0..0..0..0..1....0..1..0..0..1....0..0..0..3..2....2..0..1..1..3
..0..0..0..0..1....0..1..0..1..1....1..1..0..3..3....2..0..0..3..3

Crossrefs

Sequence in context: A206753 A279577 A015515 * A080690 A268424 A079918

Adjacent sequences: A183577 A183578 A183579 * A183581 A183582 A183583

Keyword

nonn

Author

R. H. Hardin Jan 05 2011

Status

approved