Number of (n+1) X (3+1) 0..3 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors.

A238520

Number of (n+1) X (3+1) 0..3 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors.

Terms

    a(0) =7056a(1) =345744a(2) =49787136a(3) =5576504976a(4) =659389472784

External references