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A123409
Number of brittle perfect graphs on n nodes.
0
1, 2, 4, 11, 33, 146, 886, 8472, 125262, 2799594
OFFSET
1,2
LINKS
S. Hougardy, Home Page
S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.
CROSSREFS
Sequence in context: A277204 A123437 A123435 * A123472 A277203 A123905
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 18 2006
STATUS
approved