A240647 Number of nX6 0..1 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..1 introduced in row major order.
5, 10, 60, 168, 953, 5304, 29481, 168320, 990468, 5920658, 36118925, 223452736, 1398014617, 8822174770, 56061936636, 358120024848, 2296837339689, 14776222949736, 95279221861053, 615439624491192, 3980504657629172
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..1..0..1..0..1....0..0..0..1..1..1....0..1..0..0..1..0....0..1..0..1..1..1 ..0..1..0..1..0..1....1..0..1..0..1..0....0..1..1..1..1..0....0..1..0..0..0..0 ..1..1..1..1..1..1....1..0..1..0..1..0....1..1..1..0..1..0....0..1..0..1..0..1 ..0..0..0..0..0..1....1..0..1..0..1..0....0..0..1..0..1..0....0..1..0..1..0..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments