Number of nX6 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or left-upward diagonal neighbors.
A208565
Number of nX6 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or left-upward diagonal neighbors.
Terms
- a(0) =122a(1) =21632a(2) =4098492a(3) =788922798a(4) =152454784170
External references
- oeis: A208565