Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock having zero permanent.

A206465

Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock having zero permanent.

Terms

    a(0) =25a(1) =1411a(2) =110889a(3) =68352739a(4) =61244865529

External references