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%I #4 Sep 10 2025 10:33:09
%S 1,1,1,35,6781
%N Number of fundamentally different graceful labelings of the n-Lucas cube graph.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GracefulLabeling.html">Graceful Labeling</a>.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/LucasCubeGraph.html">Lucas Cube Graph</a>.
%K nonn,more
%O 1,4
%A _Eric W. Weisstein_, Sep 10 2025