Number of nX6 0..3 arrays with new values 0..3 introduced in row major order and no element equal to any horizontal, vertical or antidiagonal neighbor (colorings ignoring permutations of colors).
A208048
Number of nX6 0..3 arrays with new values 0..3 introduced in row major order and no element equal to any horizontal, vertical or antidiagonal neighbor (colorings ignoring permutations of colors).
Terms
- a(0) =41a(1) =512a(2) =7540a(3) =118096a(4) =1897888a(5) =30818432a(6) =502504448a(7) =8206614784a(8) =134107752704
External references
- oeis: A208048