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Number of simple connected graphs with n nodes that are integral and have no subgraph isomorphic to diamond graph.
0

%I #12 Jun 27 2014 15:09:48

%S 1,1,1,1,1,4,3,3,2,18

%N Number of simple connected graphs with n nodes that are integral and have no subgraph isomorphic to diamond graph.

%H Travis Hoppe and Anna Petrone, <a href="https://github.com/thoppe/Encyclopedia-of-Finite-Graphs">Encyclopedia of Finite Graphs</a>

%Y Cf. A242790 (diamond free graphs), A064731 (integral graphs).

%K nonn,more

%O 1,6

%A _Travis Hoppe_ and _Anna Petrone_, Jun 06 2014