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A123471
Number of unimodular perfect graphs on n nodes.
0
1, 2, 4, 11, 33, 144, 822, 6744, 73147, 1006995
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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:
A123448
A039707
A005470
*
A123416
A123406
A123453
Adjacent sequences:
A123468
A123469
A123470
*
A123472
A123473
A123474
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Oct 18 2006
STATUS
approved
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Last modified August 18 07:06 EDT 2024. Contains 375255 sequences. (Running on oeis4.)