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URL: https://oeis.org/A243242

⇱ A243242 - OEIS

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A243242
Number of unlabeled, connected graphs on n vertices with at least one induced subgraph isomorphic to a K_5, where K_5 is the complete graph on five vertices.
0
0, 0, 0, 0, 1, 5, 51, 865, 28230, 1810796
OFFSET
1,6
LINKS
FORMULA
a(n) = A001349(n) - A241782(n).
CROSSREFS
Sequence in context: A182316 A077392 A193444 * A111340 A124559 A383282
KEYWORD
nonn,more
AUTHOR
Travis Hoppe and Anna Petrone, Jun 01 2014
STATUS
approved