A099709 Consider the family of multigraphs enriched by the species of endofunctions. Sequence gives number of those multigraphs with n loops and edges.

1, 2, 15, 181, 3039, 66065, 1779764, 57667098, 2198654278, 96987734231, 4883685562991, 277612787114231

Offset: 0

Author

N. J. A. Sloane, Oct 26 2004

Keywords

• nonn

References

• G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004.

Links

• G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004. [Cached copy, with permission]