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

A038784

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

Terms

    a(0) =4a(1) =9a(2) =16a(3) =64a(4) =196a(5) =1296a(6) =3600a(7) =35344a(8) =1397124a(9) =4804864a(10) =213218404a(11) =2754990144a(12) =9976014400a(13) =133023596176

External references