Number of regular digraphs on n unlabeled nodes.

A350911

Number of regular digraphs on n unlabeled nodes.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =6a(5) =11a(6) =56a(7) =609a(8) =39346a(9) =8728237a(10) =6126648298

External references