Number of n X n 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 left-upward diagonal neighbors.
A208263
Number of n X n 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 left-upward diagonal neighbors.
Terms
- a(0) =1a(1) =7a(2) =161a(3) =11929a(4) =2867739a(5) =2234126207
External references
- oeis: A208263