Number of n X 4 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than two of its immediate leftward or upward or right-upward antidiagonal neighbors.
A208705
Number of n X 4 0..1 arrays with new values 0..1 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) =8a(1) =100a(2) =1268a(3) =16084a(4) =204020a(5) =2587924a(6) =32826932a(7) =416398420a(8) =5281871732a(9) =66998738836a(10) =849856117940
External references
- oeis: A208705