Number of n X n 0..1 arrays with every element equal to a diagonal or antidiagonal reflection.
A209586
Number of n X n 0..1 arrays with every element equal to a diagonal or antidiagonal reflection.
Terms
- a(0) =2a(1) =16a(2) =192a(3) =9216a(4) =663552a(5) =191102976a(6) =82556485632
External references
- oeis: A209586