Number of self-complementary 4-multigraphs on n nodes.

A053588

Number of self-complementary 4-multigraphs on n nodes.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =16a(4) =121a(5) =1480a(6) =50993a(7) =3279685a(8) =505641590a(9) =152461906778

External references