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A123453 Number of skeletal perfect graphs on n nodes. 0
1, 2, 4, 11, 33, 145, 826, 6266, 54401, 504200 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
S. Hougardy, Home Page
S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.
CROSSREFS
Sequence in context: A123471 A123416 A123406 * A351157 A123459 A123426
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 18 2006
STATUS
approved

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Last modified March 1 16:12 EST 2024. Contains 370442 sequences. (Running on oeis4.)