Number of (n+1)X(4+1) 0..3 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..3 introduced in row major order.

A238513

Number of (n+1)X(4+1) 0..3 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..3 introduced in row major order.

Terms

    a(0) =3113a(1) =430504a(2) =232354383a(3) =91551538363

External references