A183581 Half the number of nX6 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors

38, 12024, 1282814, 149355515, 17195908538, 1988200387149, 229716738097391, 26548571098836075, 3068082753691026342, 354569738678873849813, 40976532204608285387767, 4735538672860090875422373

Offset

1,1

Comments

Column 6 of A183584

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

Some solutions with a(1,1)<=1 for 3X6
..0..0..2..2..1..3....0..0..0..3..3..3....0..0..1..0..0..0....0..0..2..2..3..1
..0..1..1..1..1..3....0..2..0..3..3..2....0..1..1..1..0..0....0..0..0..3..3..1
..1..1..1..2..2..2....0..2..2..2..3..2....1..1..1..1..1..1....0..0..2..2..3..1

Crossrefs

Sequence in context: A096558 A355589 A145120 * A030260 A145122 A134182

Adjacent sequences: A183578 A183579 A183580 * A183582 A183583 A183584

Keyword

nonn

Author

R. H. Hardin Jan 05 2011

Status

approved