Number of self-converse digraphs with n nodes.

A002499

Number of self-converse digraphs with n nodes.

Terms

    a(0) =1a(1) =3a(2) =10a(3) =70a(4) =708a(5) =15224a(6) =544152a(7) =39576432a(8) =5074417616

External references