Number of labeled digraphs on n unisolated nodes (inverse binomial transform of A053763).

A054545

Number of labeled digraphs on n unisolated nodes (inverse binomial transform of A053763).

Terms

    a(0) =1a(1) =0a(2) =3a(3) =54a(4) =3861a(5) =1028700a(6) =1067510583

External references