A099713 Consider the family of multigraphs enriched by the species of arborescences. Sequence gives number of those multigraphs with n loops and edges.

1, 2, 11, 103, 1383, 24505, 545354, 14751666, 473719878, 17740486031, 763890459761, 37384489903461

Offset

0,2

References

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

Links

Table of n, a(n) for n=0..11.

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

Crossrefs

Sequence in context: A339081 A081716 A334240 * A277461 A277470 A343896

Adjacent sequences: A099710 A099711 A099712 * A099714 A099715 A099716

Keyword

nonn

Author

N. J. A. Sloane, Oct 26 2004

Status

approved