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Number of matchings in the n-transposition graph.
0

%I #4 Oct 03 2017 20:51:45

%S 1,2,34,161966673

%N Number of matchings in the n-transposition graph.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/IndependentEdgeSet.html">Independent Edge Set</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Matching.html">Matching</a>

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

%K nonn,more

%O 1,2

%A _Eric W. Weisstein_, Oct 03 2017