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%I #17 Nov 23 2023 19:07:23
%S 1,6,32,590,21555,1598353,288676112,111452109386
%N Number of maximal irredundant sets in the n X n grid graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GridGraph.html">Grid Graph</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/MaximalIrredundantSet.html">Maximal Irredundant Set</a>
%Y Main diagonal of A291439.
%Y Cf. A286869, A290382, A291098.
%K nonn,more
%O 1,2
%A _Eric W. Weisstein_, Aug 17 2017
%E a(5)-a(6) from _Andrew Howroyd_, Aug 23 2017
%E a(7)-a(8) from _Christian Sievers_, Nov 23 2023
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