Number of (n+1) X 4 0..2 arrays with no 2 X 2 subblock commuting with any of its horizontal and vertical 2 X 2 subblock neighbors.
A187435
Number of (n+1) X 4 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) =5344a(1) =311730a(2) =18257013a(3) =1070374436a(4) =62735788524
External references
- oeis: A187435