Number of fixed (orientation matters) polyominoids (shapes made of faces of cubes) with n squares.

A075678

Number of fixed (orientation matters) polyominoids (shapes made of faces of cubes) with n squares.

Terms

    a(0) =3a(1) =18a(2) =158a(3) =1611a(4) =17811a(5) =207395a(6) =2505858a(7) =31125711a(8) =394982973a(9) =5098498323a(10) =66733261455a(11) =883602795509

External references