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%I #7 May 03 2021 20:13:26
%S 0,1,9,784
%N Number of minimum total dominating sets in the n-transposition graph.
%C a(n) matches all 4 terms of the finite sequence A168257(n).
%C a(n) matches A060545(n-1)^2 for n=2 to 4.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/TotalDominatingSet.html">Total Dominating Set</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/TranspositionGraph.html">Transposition Graph</a>
%Y Cf. A303150 (set size), A321618, A303146.
%K nonn,more
%O 1,3
%A _Eric W. Weisstein_, Apr 19 2018