Number of (n+1)X(2+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.

A238511

Number of (n+1)X(2+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) =25a(1) =401a(2) =14407a(3) =430504a(4) =13398587a(5) =413256106a(6) =12771744135a(7) =394537124897

External references