login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A123434
Number of Meyniel graphs on n nodes.
0
1, 2, 4, 11, 32, 130, 622, 3839, 28614, 258660, 2799801, 36537753, 580312616
OFFSET
1,2
COMMENTS
All Meyniel graphs are perfect. - Jakub Jablonski, Sep 17 2020
LINKS
S. Hougardy, Home Page
S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.
CROSSREFS
Sequence in context: A123425 A123414 A123410 * A123424 A123449 A123404
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 18 2006
EXTENSIONS
a(11)-a(13) from Jakub Jablonski, Sep 17 2020
STATUS
approved