1,2
S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.
S. Hougardy, Home Page
Sequence in context: A123461 A123407 A123446 * A123454 A123433 A123452
Adjacent sequences: A123457 A123458 A123459 * A123461 A123462 A123463
nonn
N. J. A. Sloane (njas(AT)research.att.com), Oct 18 2006