A098345 Consider the family of multigraphs enriched by the species of binary arborescences. Sequence gives number of those multigraphs with n arcs.

1, 1, 10, 170, 4182, 137262, 5721356, 292803772, 17946811644, 1292298341980, 107643364177688, 10240855765623320

Offset

0,3

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: A246501 A120977 A034830 * A366299 A361364 A119043

Adjacent sequences: A098342 A098343 A098344 * A098346 A098347 A098348

Keyword

nonn

Author

N. J. A. Sloane, Oct 26 2004

Status

approved