%I #4 Dec 14 2017 14:23:42
%S 0,0,15,5832997386
%N Number of (undirected) cycles in the n-transposition graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GraphCycle.html">Graph Cycle</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/TranspositionGraph.html">Transposition Graph</a>
%K nonn,more
%O 1,3
%A _Eric W. Weisstein_, Dec 14 2017
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