Number of (n+1) X (n+1) 0..2 arrays with no 2 X 2 subblock commuting with any of its horizontal and vertical 2 X 2 subblock neighbors.
A187432
Number of (n+1) X (n+1) 0..2 arrays with no 2 X 2 subblock commuting with any of its horizontal and vertical 2 X 2 subblock neighbors.
Terms
- a(0) =81a(1) =14178a(2) =18257013a(3) =167339492229
External references
- oeis: A187432