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A123411 Number of C_4-free Berge perfect graphs on n nodes. 0
1, 2, 4, 10, 27, 95, 398, 2164, 14945, 131562 (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: A123428 A005975 A048193 * A128933 A173781 A106362

Adjacent sequences:  A123408 A123409 A123410 * A123412 A123413 A123414

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 10:07 EST 2012. Contains 205904 sequences.