A099680 - OEIS

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A099680

Consider the family of multigraphs enriched by the species of ternary sets. Sequence gives number of those multigraphs with 3n edges.

1, 1, 21, 2689, 1162525, 1213162861, 2531581232565 (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: A144853 A131314 A122801 * A184367 A114934 A098375` `Adjacent sequences: A099677 A099678 A099679 * A099681 A099682 A099683`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 26 2004`

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Last modified February 14 23:44 EST 2012. Contains 205689 sequences.