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

Author

R. H. Hardin Jan 05 2011

Keywords

• nonn

Comments

Column 5 of A183554

Examples

			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
		

Links

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