Number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors.
A205760
Number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors.
Terms
- a(0) =192a(1) =17674a(2) =9909258a(3) =31592825608
External references
- oeis: A205760