A099701 Consider the family of multigraphs enriched by the species of simple graphs. Sequence gives number of those multigraphs with n loops and edges.

1, 2, 11, 101, 1355, 24733, 597686, 19975138, 1157593462, 177427216131, 76854836746273, 75062022205128613

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: A374350 A337017 A121419 * A089393 A069664 A130150

Adjacent sequences: A099698 A099699 A099700 * A099702 A099703 A099704

Keyword

nonn

Author

N. J. A. Sloane, Oct 26 2004

Status

approved