Number of unlabeled, connected graphs on n vertices with no subgraph isomorphic to a bull-graph.
A244427
Number of unlabeled, connected graphs on n vertices with no subgraph isomorphic to a bull-graph.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =9a(5) =26a(6) =80a(7) =340a(8) =1690a(9) =11432a(10) =101142a(11) =1228608a(12) =20329150
External references
- oeis: A244427