id:A099883 - OEIS Search Results

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Number of simple n-node graphs that are isospectral to at least one other graph on n nodes.

+0
3

0, 0, 0, 0, 1, 10, 110, 1722, 51039 (list; graph; listen)

	OFFSET	`1,6`
	LINKS	`Eric Weisstein's World of Mathematics, Isospectral Graphs`
	CROSSREFS	`Cf. A099881, A099882.` `Adjacent sequences: A099880 A099881 A099882 this_sequence A099884 A099885 A099886` `Sequence in context: A049398 A055530 A108487 this_sequence A020767 A036603 A092500`
	KEYWORD	`nonn,more`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), Oct 28, 2004`

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Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.