Number of nX4 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.
A283568
Number of nX4 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.
Terms
- a(0) =2a(1) =72a(2) =674a(3) =6812a(4) =60802a(5) =528436a(6) =4441052a(7) =36589848a(8) =296555892a(9) =2373574616a(10) =18804085974a(11) =147722885964
External references
- oeis: A283568