Number of 3Xn 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.

A283952

Number of 3Xn 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.

Terms

    a(0) =0a(1) =0a(2) =87a(3) =906a(4) =7988a(5) =69468a(6) =575456a(7) =4604744a(8) =36137513a(9) =279163040a(10) =2128757750a(11) =16067783050a(12) =120264121036a(13) =893798288058

External references