An intermediate sequence for nonisomorphic circulant directed p^2-graphs, indexed by odd primes p.

A038779

An intermediate sequence for nonisomorphic circulant directed p^2-graphs, indexed by odd primes p.

Terms

    a(0) =10a(1) =70a(2) =700a(3) =104968a(4) =1398500a(5) =268439590a(6) =3817763740a(7) =799645010860

External references