A123412 Number of chair-free Berge perfect graphs on n nodes.

1, 2, 4, 11, 32, 126, 546, 2766, 15014, 88460, 563440, 3988355, 32324527, 314549464

Offset: 1

Author

N. J. A. Sloane, Oct 18 2006

Keywords

• nonn
• more

Links

• S. Hougardy, Home Page
• S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.
• F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 3e9b2ba.

Extensions

a(11)-a(14) added using tinygraph by Falk Hüffner, Jun 29 2018