Number of (n+1)X4 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.

A186135

Number of (n+1)X4 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.

Terms

    a(0) =3888a(1) =107874a(2) =3090564a(3) =88110594a(4) =2513594016a(5) =71683161894

External references