%I #9 Jan 19 2022 13:00:12
%S 4,32,10102,390826675496,22610585314162613212299017369549414
%N Number of total dominating sets in the n-Sierpinski sieve graph.
%C a(6) has 103 decimal digits.
%H Andrew Howroyd, <a href="/A347484/b347484.txt">Table of n, a(n) for n = 1..6</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SierpinskiSieveGraph.html">Sierpinski Sieve Graph</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/TotalDominatingSet.html">Total Dominating Set</a>
%Y Cf. A347508.
%K nonn
%O 1,1
%A _Eric W. Weisstein_, Sep 03 2021
%E Terms a(4) and beyond from _Andrew Howroyd_, Jan 19 2022