Number of (n+1)X5 0..3 arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors.
A186557
Number of (n+1)X5 0..3 arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors.
Terms
- a(0) =927477a(1) =783375343a(2) =663296784123
External references
- oeis: A186557