Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops.

A221117

Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops.

Terms

    a(0) =0a(1) =0a(2) =304a(3) =73267a(4) =11678172a(5) =1734890879a(6) =247812858484

External references