Number of free polyominoids with n cells, allowing right-angled corner-connections and any edge-connections.
A366005
Number of free polyominoids with n cells, allowing right-angled corner-connections and any edge-connections.
Terms
- a(0) =1a(1) =3a(2) =29a(3) =457a(4) =10378a(5) =268683
External references
- oeis: A366005