Number of 3 X n 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than two of its immediate leftward or upward or right-upward antidiagonal neighbors.
A208394
Number of 3 X n 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than two of its immediate leftward or upward or right-upward antidiagonal neighbors.
Terms
- a(0) =5a(1) =122a(2) =3042a(3) =76806a(4) =1937736a(5) =48890520a(6) =1233536544a(7) =31122868320a(8) =785248636032
External references
- oeis: A208394