Number of 6Xn 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 right-upward antidiagonal neighbors.
A209105
Number of 6Xn 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 right-upward antidiagonal neighbors.
Terms
- a(0) =122a(1) =34096a(2) =7154944a(3) =1404480904a(4) =272236743760
External references
- oeis: A209105