Number of 2 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.
A208393
Number of 2 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) =2a(1) =14a(2) =117a(3) =1017a(4) =8838a(5) =76806a(6) =667476a(7) =5800644a(8) =50410008a(9) =438083928a(10) =3807131472a(11) =33085555344a(12) =287527231584
External references
- oeis: A208393