Number of n X 6 0..4 arrays with values 0..4 introduced in row major order and each element equal to one or two horizontal and vertical neighbors.

A198667

Number of n X 6 0..4 arrays with values 0..4 introduced in row major order and each element equal to one or two horizontal and vertical neighbors.

Terms

    a(0) =6a(1) =2798a(2) =1544783a(3) =1382332582

External references