Number of unlabeled, connected graphs on n vertices with at least one subgraph isomorphic to a C_5, where C_5 is the cycle graph on five vertices.

A243246

Number of unlabeled, connected graphs on n vertices with at least one subgraph isomorphic to a C_5, where C_5 is the cycle graph on five vertices.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =8a(5) =68a(6) =709a(7) =10540a(8) =258623a(9) =11704072a(10) =1006628171a(11) =164059321534

External references