Number of n-node labeled weakly connected acyclic digraphs.

A082402

Number of n-node labeled weakly connected acyclic digraphs.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =18a(4) =446a(5) =26430a(6) =3596762a(7) =1111506858a(8) =774460794326

External references