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URL: https://oeis.org/A243250

⇱ A243250 - OEIS

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A243250
Number of unlabeled, connected graphs on n vertices with at least one subgraph isomorphic to a diamond graph.
0
0, 0, 0, 2, 10, 73, 688, 10150, 253396, 11629559
OFFSET
1,4
LINKS
Travis Hoppe and Anna Petrone, Encyclopedia of Finite Graphs
T. Hoppe and A. Petrone, Integer sequence discovery from small graphs, arXiv preprint arXiv:1408.3644 [math.CO], 2014
Eric Weisstein's World of Mathematics, Diamond Graph
FORMULA
a(n) = A001349(n) - A242790(n).
CROSSREFS
Sequence in context: A231039 A224799 A275550 * A088189 A228609 A001395
KEYWORD
nonn,more
AUTHOR
Travis Hoppe and Anna Petrone, Jun 01 2014
STATUS
approved