Number of 4Xn 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.

A283637

Number of 4Xn 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.

Terms

    a(0) =0a(1) =28a(2) =388a(3) =7742a(4) =61592a(5) =700534a(6) =6345928a(7) =54063960a(8) =463390898a(9) =3745175778a(10) =29932577562a(11) =234328588526

External references