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A123442
Number of P_4-stable Berge perfect graphs on n nodes.
0
1, 2, 4, 11, 33, 147, 894, 8515, 120263, 2363930
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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:
A123472
A277203
A123905
*
A123405
A123457
A123455
Adjacent sequences:
A123439
A123440
A123441
*
A123443
A123444
A123445
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Oct 18 2006
STATUS
approved
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Last modified August 16 10:10 EDT 2024. Contains 375174 sequences. (Running on oeis4.)