%I #4 Dec 20 2017 14:40:10
%S 6,69,1404,34485
%N Detour index of the n-Sierpinski sieve graph.
%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/SierpinskiSieveGraph.html">Sierpinski Sieve Graph</a>
%K nonn,more
%O 1,1
%A _Eric W. Weisstein_, Dec 20 2017