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A340486
Number of unlabeled graphs on n vertices whose independence number is equal to clique number.
0
1, 0, 2, 3, 8, 54, 380, 3462, 83606, 4822240
OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, Clique number.
Eric Weisstein's World of Mathematics, Independence Number.
EXAMPLE
a(3) = 2 because, of the four graphs of order three, only the path graph and its complement have equal independence and clique number, 2 in this case.
CROSSREFS
Sequence in context: A041979 A001686 A013205 * A245384 A292893 A356902
KEYWORD
nonn,more
AUTHOR
Freddy Barrera, Jan 09 2021
STATUS
approved