Number of n X n 0..1 arrays with no element equal to more than two horizontal or vertical neighbors, with new values 0..1 introduced in row major order.
A240477
Number of n X n 0..1 arrays with no element equal to more than two horizontal or vertical neighbors, with new values 0..1 introduced in row major order.
Terms
- a(0) =1a(1) =8a(2) =122a(3) =4104a(4) =306749a(5) =50525365a(6) =18384693920
External references
- oeis: A240477