A231216 Number of (n+1)X(5+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with values 0..2 introduced in row major order.
23, 156, 1793, 20027, 226764, 2534951, 28439115, 318236849, 3565691309, 39935313475, 447387885717, 5011544754282, 56140525034274, 628886833447925, 7044850137852253, 78916780609087401, 884031405098540067
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..0..0..0..0..1....0..1..1..1..1..0....0..1..1..2..2..2....0..0..0..1..1..1 ..1..1..1..0..0..1....0..1..1..1..1..0....0..1..1..2..2..2....1..1..0..1..1..1 ..1..1..1..0..0..1....0..0..1..1..1..0....0..1..1..2..2..2....1..1..0..2..2..1 ..1..1..0..0..0..1....0..0..1..1..0..0....0..1..1..2..2..2....1..1..0..2..2..1 ..0..0..0..0..0..1....0..0..1..1..0..0....0..0..0..0..0..0....0..0..0..2..2..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments