1,2

S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.

S. Hougardy, Home Page

Sequence in context: A123905 A123442 A123405 this_sequence A123455 A123447 A123461

Adjacent sequences: A123454 A123455 A123456 this_sequence A123458 A123459 A123460

nonn

N. J. A. Sloane (njas(AT)research.att.com), Oct 18 2006