Number of free polyominoids with n cells, allowing flat corner-connections and any edge-connections.
A365997
Number of free polyominoids with n cells, allowing flat corner-connections and any edge-connections.
Terms
- a(0) =1a(1) =3a(2) =14a(3) =129a(4) =1555a(5) =24144a(6) =407718
External references
- oeis: A365997