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A123429 Number of K_4-free Berge perfect graphs on n nodes. +0
1
1, 2, 4, 10, 28, 112, 568, 4184, 42450, 576926 (list; graph; listen)
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: A090594 A085549 A022492 this_sequence A006841 A003223 A061417

Adjacent sequences: A123426 A123427 A123428 this_sequence A123430 A123431 A123432

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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