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A123468 Number of 2-overlap bipartite perfect graphs on n nodes. 0
1, 2, 4, 11, 33, 138, 582, 2367, 9421, 37916 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

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

LINKS

Table of n, a(n) for n=1..10.

S. Hougardy, Home Page

CROSSREFS

Sequence in context: A123473 A123462 A123463 * A123415 A123469 A123448

Adjacent sequences:  A123465 A123466 A123467 * A123469 A123470 A123471

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Oct 18 2006

STATUS

approved

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Last modified January 20 04:43 EST 2019. Contains 319323 sequences. (Running on oeis4.)