%I #5 May 04 2019 08:32:17
%S 0,0,6,569868288
%N Number of (undirected) Hamiltonian cycles in the n-transposition graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/HamiltonianCycle.html">Hamiltonian 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_, May 04 2019