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A123452
Number of Raspail perfect graphs on n nodes.
0
1, 2, 4, 11, 33, 148, 901, 8690, 127853, 2803340
OFFSET
1,2
LINKS
S. Hougardy, Home Page
S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.
CROSSREFS
Sequence in context: A123460 A123454 A123433 * A123436 A123417 A123419
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 18 2006
STATUS
approved