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A099882 Number of triples of n-node simple graphs that are isospectral (excluding quadruples, etc.). 2
0, 0, 0, 0, 0, 0, 2, 52, 2015 (list; graph; refs; listen; history; internal format)
OFFSET

1,7

LINKS

Eric Weisstein's World of Mathematics, Isospectral Graphs

CROSSREFS

Cf. A099881, A099883.

Sequence in context: A123803 A101930 A174779 * A121293 A057106 A080973

Adjacent sequences:  A099879 A099880 A099881 * A099883 A099884 A099885

KEYWORD

nonn,more

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Oct 28, 2004

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.