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%I #20 Dec 20 2020 04:15:57
%S 1,2,6,9,20,54
%N Consider the Conant Gasket G_{2n+1}, as in A328078; a(n) = area of largest cell when G_{2n+1} is drawn on a scale at which the cells along the base have width 1/2.
%H N. J. A. Sloane, <a href="/A337639/a337639.pdf">Illustration for a(4) = 20.</a> (The largest empty region has size 8 X 5 squares, but the squares have width 1/2, so a(4) = 20.)
%Y Cf. A328078, A328080, A337638.
%K nonn,more
%O 0,2
%A _Scott R. Shannon_ and _N. J. A. Sloane_, Sep 14 2020