Number of ways to reciprocally link elements of an nX5 array either to themselves or to exactly one horizontal, diagonal and antidiagonal neighbor.

A220618

Number of ways to reciprocally link elements of an nX5 array either to themselves or to exactly one horizontal, diagonal and antidiagonal neighbor.

Terms

    a(0) =8a(1) =317a(2) =9176a(3) =282777a(4) =8608738a(5) =262680517a(6) =8011414792a(7) =244357686173

External references