Number of oriented graphs on n labeled nodes whose underlying graph is regular.

A351264

Number of oriented graphs on n labeled nodes whose underlying graph is regular.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =9a(4) =125a(5) =1409a(6) =134649a(7) =9775233a(8) =7056026001

External references