A231745 Number of nX6 0..3 arrays with no element less than a strict majority of its horizontal and vertical neighbors.
422, 26918, 9945132, 2426463539, 598711367728, 155985773478611, 40539474933206048, 10471241201508754882, 2708333085420702066371, 701131301655294979491764, 181453765111432778651835050
Offset: 1
Keywords
Examples
Some solutions for n=2 ..0..0..0..0..0..2....1..3..0..0..3..1....3..0..0..0..0..0....0..0..1..1..3..0 ..2..2..2..1..0..0....1..3..0..0..1..1....0..0..1..0..0..1....3..0..0..0..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..61
Comments