Number of nX3 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.

A283945

Number of nX3 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) =2a(2) =87a(3) =900a(4) =8184a(5) =71486a(6) =597042a(7) =4841992a(8) =38481035a(9) =301045074a(10) =2325973337a(11) =17791497852a(12) =134963190603

External references