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A123412 Number of chair-free Berge perfect graphs on n nodes. 1
1, 2, 4, 11, 32, 126, 546, 2766, 15014, 88460 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

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

LINKS

S. Hougardy, Home Page

CROSSREFS

Sequence in context: A056325 A103293 A123418 * A074408 A123425 A123414

Adjacent sequences:  A123409 A123410 A123411 * A123413 A123414 A123415

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 21:04 EST 2012. Contains 205969 sequences.