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A123431
Number of LGBIP perfect graphs on n nodes.
0
1, 2, 4, 9, 17, 39, 84, 200, 484, 1263
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..10.
S. Hougardy,
Home Page
S. Hougardy,
Classes of perfect graphs
, Discr. Math. 306 (2006), 2529-2571.
CROSSREFS
Sequence in context:
A362033
A059973
A030035
*
A049961
A321736
A283315
Adjacent sequences:
A123428
A123429
A123430
*
A123432
A123433
A123434
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Oct 18 2006
STATUS
approved
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Last modified September 27 06:33 EDT 2023. Contains 365674 sequences. (Running on oeis4.)