Number of n X 5 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly two elements.

A283229

Number of n X 5 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly two elements.

Terms

    a(0) =0a(1) =49a(2) =3996a(3) =163860a(4) =5814342a(5) =188295479a(6) =5735340380a(7) =167289795994

External references