A347721 - OEIS

%I #10 Jul 23 2024 10:50:43

%S 4,17,1028,234335718,2721614799931646837751078,

%T 4260202904298363102478702693273093147309410822238017929510397615838855700

%N Number of irredundant sets in the n-Sierpinski sieve graph.

%H Christian Sievers, <a href="/A347721/b347721.txt">Table of n, a(n) for n = 1..8</a>

%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

%O 1,1

%A _Eric W. Weisstein_, Sep 11 2021

%E a(4) and beyond from _Christian Sievers_, Jul 23 2024