Number of (n+1)X5 0..3 arrays with every 2X2 subblock in a row having an equal number of equal diagonal or equal antidiagonal elements, adjacent rows differing in this number, and new values 0..3 introduced in row major order.

A206165

Number of (n+1)X5 0..3 arrays with every 2X2 subblock in a row having an equal number of equal diagonal or equal antidiagonal elements, adjacent rows differing in this number, and new values 0..3 introduced in row major order.

Terms

    a(0) =5257a(1) =196078a(2) =13899222a(3) =526154358a(4) =37242588902

External references