Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.
A186132
Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.
Terms
- a(0) =81a(1) =7686a(2) =3090564a(3) =5108761008
External references
- oeis: A186132