Number of simple connected graphs with n nodes that are planar and have no subgraph isomorphic to bull graph.
A243558
Number of simple connected graphs with n nodes that are planar and have no subgraph isomorphic to bull graph.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =9a(5) =25a(6) =76a(7) =302a(8) =1360a(9) =7606a(10) =49313a(11) =368568a(12) =3046968
External references
- oeis: A243558