%I #7 Oct 13 2022 13:07:38
%S 1,18,184,1800,15136,127008
%N Detour index of the n-folded cube graph.
%C The n-folded cube is Hamilton-connected for odd n, leading to a closed formula for those terms:
%C a(9) = 8323200
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/DetourIndex.html">Detour Index</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/FoldedCubeGraph.html">Folded Cube Graph</a>
%F a(n) = 2^(n - 4)*(2^n - 2)^2 for odd n>=3.
%K nonn,more
%O 2,2
%A _Eric W. Weisstein_, Dec 20 2017