%I #5 Sep 11 2021 08:21:00
%S 4,17,1028
%N Number of irredundant sets in the n-Sierpinski sieve graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/IrredundantSet.html">Irredundant Set</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SierpinskiSieveGraph.html">Sierpinski Sieve Graph</a>
%K nonn,more,bref
%O 1,1
%A _Eric W. Weisstein_, Sep 11 2021
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