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%I #4 Sep 25 2025 10:21:26
%S 181,480,1418,4548,15254,52784,186386,666284,2398206,8661032
%N Number of mutual-visibility sets in the n-trapezohedral graph.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TrapezohedralGraph.html">Trapezohedral Graph</a>.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/VisibilityPolynomial.html">Visibility Polynomial</a>.
%K nonn,more
%O 3,1
%A _Eric W. Weisstein_, Sep 25 2025