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%I #10 Aug 08 2024 21:08:37
%S 4,67,354559,55140694943446374,
%T 207861305741947432194260517035962625798813317184891
%N Number of irredundant sets in the n-Hanoi graph.
%H Andrew Howroyd, <a href="/A308382/b308382.txt">Table of n, a(n) for n = 1..6</a>
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HanoiGraph.html">Hanoi Graph</a>.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/IrredundantSet.html">Irredundant Set</a>.
%Y Cf. A308383, A308384, A347505.
%K nonn
%O 1,1
%A _Eric W. Weisstein_, May 23 2019
%E a(4) onwards from _Andrew Howroyd_, Aug 08 2024