Number of embeddings on the sphere of 2-connected homeomorphically irreducible planar graphs with n nodes.
A378074
Number of embeddings on the sphere of 2-connected homeomorphically irreducible planar graphs with n nodes.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =2a(5) =9a(6) =47a(7) =420a(8) =4673a(9) =63253a(10) =927238a(11) =14342093a(12) =229607392a(13) =3776227106a(14) =63482545872
External references
- oeis: A378074