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Number of (non-null) connected induced subgraphs in the n-triangular honeycomb queen graph.
1

%I #5 Feb 16 2025 08:33:49

%S 1,7,60,972,31849,2073467,267414258

%N Number of (non-null) connected induced subgraphs in the n-triangular honeycomb queen graph.

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ConnectedGraph.html">Connected Graph</a>

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Vertex-InducedSubgraph.html">Vertex-Induced Subgraph</a>

%K nonn,more,changed

%O 1,2

%A _Eric W. Weisstein_, Jul 14 2017