%I #4 Aug 12 2017 09:28:48
%S 1,3,55,14112478
%N Number of (non-null) connected induced subgraphs in the n-transposition graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ConnectedGraph.html">Connected Graph</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/TranspositionGraph.html">Transposition Graph</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Vertex-InducedSubgraph.html">Vertex-Induced Subgraph</a>
%K nonn,more
%O 1,2
%A _Eric W. Weisstein_, Aug 10 2017