Total number of connected components in all subgraphs obtained from the complete labeled graph K_n by removing zero or more edges.

A125207

Total number of connected components in all subgraphs obtained from the complete labeled graph K_n by removing zero or more edges.

Terms

    a(0) =1a(1) =3a(2) =13a(3) =98a(4) =1398a(5) =39956a(6) =2354240a(7) =286394544a(8) =71225744048

External references