A099687 - OEIS

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A099687

Consider the family of multigraphs enriched by the species of quaternary sets. Sequence gives number of those multigraphs with 4n arcs.

1, 1, 211, 395671, 3199595881, 7721895343841 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	REFERENCES	G. Paquin, D\'enombrement de multigraphes enrichis, M\'emoire, Math. Dept., Univ. Qu\'ebec \`a Montr\'eal, 2004.
	CROSSREFS	`Sequence in context: A096834 A013547 A181002 * A133651 A093807 A088642` `Adjacent sequences: A099684 A099685 A099686 * A099688 A099689 A099690`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 26 2004`

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Last modified February 14 07:16 EST 2012. Contains 205589 sequences.