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A123465 Number of tree perfect graphs on n nodes. +0
1
1, 1, 1, 2, 3, 6, 11, 23, 47, 106 (list; graph; listen)
OFFSET

1,4
REFERENCES

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

LINKS

S. Hougardy, Home Page

CROSSREFS

Sequence in context: A036656 A090344 A130131 this_sequence A000055 A006787 A000992

Adjacent sequences: A123462 A123463 A123464 this_sequence A123466 A123467 A123468

KEYWORD

nonn

AUTHOR

njas, Oct 18 2006

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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