Number of (6+1)X(n+1) 0..3 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..3 introduced in row major order.

A239159

Number of (6+1)X(n+1) 0..3 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..3 introduced in row major order.

Terms

    a(0) =340a(1) =17050a(2) =2709568a(3) =330311070a(4) =42600989632

External references