Number of n X n 0..1 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..1 introduced in row major order.
A240630
Number of n X n 0..1 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..1 introduced in row major order.
Terms
- a(0) =1a(1) =8a(2) =129a(3) =4989a(4) =470170a(5) =109584463a(6) =63213422873
External references
- oeis: A240630