Number of unlabeled 11-gonal 2-trees with n 11-gons.

A094655

Number of unlabeled 11-gonal 2-trees with n 11-gons.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =6a(4) =46a(5) =636a(6) =10527a(7) =194997a(8) =3823327a(9) =78118107a(10) =1646300388a(11) =35570427615a(12) =784467060622

External references