A099688 Consider the family of multigraphs enriched by the species of mod-6 sets. Sequence gives number of those multigraphs with 6n edges.

1, 1, 925, 25766833

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..3.

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

Crossrefs

Sequence in context: A147548 A116989 A152503 * A257485 A255106 A253039

Adjacent sequences: A099685 A099686 A099687 * A099689 A099690 A099691

Keyword

nonn

Author

N. J. A. Sloane, Oct 26 2004

Status

approved