Number of (n+1) X (n+1) 0..1 arrays with every 2 X 2 subblock having the same number of equal edges, and new values 0..1 introduced in row major order.

A205311

Number of (n+1) X (n+1) 0..1 arrays with every 2 X 2 subblock having the same number of equal edges, and new values 0..1 introduced in row major order.

Terms

    a(0) =8a(1) =84a(2) =2606a(3) =193664a(4) =33865634a(5) =13956665238

External references