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A123432
Number of line perfect perfect graphs on n nodes.
0
1, 2, 4, 11, 26, 80, 248, 899, 3441, 15081
OFFSET
1,2
LINKS
S. Hougardy, Home Page
S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.
CROSSREFS
Sequence in context: A148128 A148129 A340651 * A345216 A151398 A090899
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 18 2006
STATUS
approved