Number of (n+1)X(n+1) 0..3 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.

A185924

Number of (n+1)X(n+1) 0..3 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.

Terms

    a(0) =256a(1) =130944a(2) =590014464

External references