A183550 Number of nX5 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors

15, 1325, 46841, 1728533, 63868351, 2359134621, 87176303417, 3221377019429, 119037100116183, 4398697422258081, 162542044954494221, 6006305685720331925, 221946939432242106215, 8201454756620862955585, 303062796878789833114397

Offset

1,1

Comments

Column 5 of A183554

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions for 3X5
..1..1..0..0..1....2..2..2..0..0....0..0..1..1..1....1..1..0..0..0
..0..0..0..0..1....2..2..1..2..2....0..1..0..2..2....0..0..2..0..1
..1..1..0..1..1....0..0..1..1..2....1..1..0..0..2....2..2..2..2..1

Crossrefs

Sequence in context: A300618 A232147 A232288 * A071972 A350994 A206376

Adjacent sequences: A183547 A183548 A183549 * A183551 A183552 A183553

Keyword

nonn

Author

R. H. Hardin Jan 05 2011

Status

approved