1,2
S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.
S. Hougardy, Home Page
Sequence in context: A005470 A123471 A123416 this_sequence A123453 A123459 A123426
Adjacent sequences: A123403 A123404 A123405 this_sequence A123407 A123408 A123409
nonn
N. J. A. Sloane (njas(AT)research.att.com), Oct 18 2006
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