Number of (n+1)X(n+1) 0..3 arrays containing all values 0..3 with every 2X2 subblock having one, two or four distinct values, and new values 0..3 introduced in row major order.
A210135
Number of (n+1)X(n+1) 0..3 arrays containing all values 0..3 with every 2X2 subblock having one, two or four distinct values, and new values 0..3 introduced in row major order.
Terms
- a(0) =1a(1) =221a(2) =159327a(3) =363492269
External references
- oeis: A210135