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%I #10 Mar 07 2015 14:44:32
%S 3,7,27,159,1267,12663,151947,2127247,34035939,612646887,12252937723,
%T 269564629887,6469551117267,168208329048919,4709833213369707,
%U 141294996401091183,4521439884834917827,153728956084387206087
%N a(n) = 2*A010844(n) + 1.
%H Mathieu Guay-Paquet and Jeffrey Shallit, <a href="http://dx.doi.org/10.1016/j.disc.2009.06.004">Avoiding Squares and Overlaps Over the Natural Numbers</a>, Discrete Math., 309 (2009), 6245-6254.
%H Mathieu Guay-Paquet and Jeffrey Shallit, <a href="http://arxiv.org/abs/0901.1397">Avoiding Squares and Overlaps Over the Natural Numbers</a>, arXiv:0901.1397 [math.CO], 2009.
%Y Cf. A010844. Column 2 of A161380.
%K nonn
%O 0,1
%A _N. J. A. Sloane_, Nov 27 2009