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%I #10 Sep 09 2017 07:09:18
%S 1,7,32,296,5744,227080,18084720,2883751336,916819998880,
%T 579403471332808,726271886301488352,1802717127912019473096,
%U 8849500619057758939673040,85830556827312530479498758296,1643431935596454045971815328866560,62082178562357221739454020443666212184
%N Number of connected dominating sets in the n-triangular grid graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ConnectedDominatingSet.html">Connected Dominating Set</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/TriangularGridGraph.html">Triangular Grid Graph</a>
%Y Cf. A287064, A288722.
%K nonn
%O 0,2
%A _Eric W. Weisstein_, Jun 14 2017
%E a(6)-a(15) from _Andrew Howroyd_, Sep 04 2017