Number of connected oriented graphs (i.e., connected directed graphs with no bidirected edges) on n nodes.

A086345

Number of connected oriented graphs (i.e., connected directed graphs with no bidirected edges) on n nodes.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =5a(4) =34a(5) =535a(6) =20848a(7) =2120098a(8) =572849763a(9) =415361983540

External references