Number of (n+1) X 2 0..3 arrays with no 2 X 2 subblock trace equal to any horizontal or vertical neighbor 2 X 2 subblock trace.

A185925

Number of (n+1) X 2 0..3 arrays with no 2 X 2 subblock trace equal to any horizontal or vertical neighbor 2 X 2 subblock trace.

Terms

    a(0) =256a(1) =3392a(2) =45184a(3) =601280a(4) =8003200a(5) =106519232a(6) =1417744768a(7) =18869769920a(8) =251151368320

External references