Number of 5Xn arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.

A221204

Number of 5Xn arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.

Terms

    a(0) =0a(1) =1681a(2) =976a(3) =20277009a(4) =433687328a(5) =420771471561

External references