The number of connected subgraphs of the complete graph with n nodes.

A167939

The number of connected subgraphs of the complete graph with n nodes.

Terms

    a(0) =1a(1) =3a(2) =10a(3) =64a(4) =973a(5) =31743a(6) =2069970a(7) =267270040a(8) =68629753649

External references