Number of (n+1)X(n+1) 0..1 arrays with the number of clockwise edge increases in every 2X2 subblock the same.

A205247

Number of (n+1)X(n+1) 0..1 arrays with the number of clockwise edge increases in every 2X2 subblock the same.

Terms

    a(0) =16a(1) =168a(2) =5212a(3) =387328a(4) =67731268a(5) =27913330476

External references