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A123462
Number of 3-overlap bipartite perfect graphs on n nodes.
0
1, 2, 4, 11, 33, 134, 492, 1634, 5127, 16624
OFFSET
1,2
LINKS
S. Hougardy, Home Page
S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.
CROSSREFS
Sequence in context: A302547 A123444 A123473 * A123463 A123468 A123415
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 18 2006
STATUS
approved