id:A099882 - OEIS Search Results

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Number of triples of n-node simple graphs that are isospectral (excluding quadruples, etc.).

+0
3

0, 0, 0, 0, 0, 0, 2, 52, 2015 (list; graph; listen)

	OFFSET	`1,7`
	LINKS	`Eric Weisstein's World of Mathematics, Isospectral Graphs`
	CROSSREFS	`Cf. A099881, A099883.` `Sequence in context: A053317 A123803 A101930 this_sequence A121293 A057106 A080973` `Adjacent sequences: A099879 A099880 A099881 this_sequence A099883 A099884 A099885`
	KEYWORD	`nonn,more`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), Oct 28, 2004`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.