Number of n X n 0..3 arrays with every element equal to a diagonal or antidiagonal reflection.
A209588
Number of n X n 0..3 arrays with every element equal to a diagonal or antidiagonal reflection.
Terms
- a(0) =4a(1) =256a(2) =28672a(3) =51380224a(4) =161128382464
External references
- oeis: A209588