Number of free nonplanar polyenoids with n nodes and symmetry point group C_s.

A000948

Number of free nonplanar polyenoids with n nodes and symmetry point group C_s.

Terms

    a(0) =0a(1) =3a(2) =20a(3) =99a(4) =450a(5) =1896a(6) =7771a(7) =30895a(8) =121144a(9) =468409a(10) =1796584a(11) =6841014a(12) =25925062

External references