A098629 Consider the family of multigraphs enriched by the species of parts. Sequence gives number of those multigraphs with n loops and edges.

1, 4, 36, 528, 11392, 334624, 12677824, 596369664, 33872839680, 2274079648768, 177449470237696

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]