Number of unlabeled 12-gonal 2-trees with n 12-gons.
A094656
Number of unlabeled 12-gonal 2-trees with n 12-gons.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =7a(4) =55a(5) =840a(6) =15189a(7) =309607a(8) =6671842a(9) =149850849a(10) =3471296793a(11) =82442359291
External references
- oeis: A094656