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A123406 Number of AT-free Berge perfect graphs on n nodes. 0
1, 2, 4, 11, 33, 144, 826, 6836, 76322, 1126575 (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: A005470 A123471 A123416 * A123453 A123459 A123426

Adjacent sequences:  A123403 A123404 A123405 * A123407 A123408 A123409

KEYWORD

nonn

AUTHOR

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

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.