This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A161370 #10 Mar 07 2015 14:44:32 %S A161370 3,7,27,159,1267,12663,151947,2127247,34035939,612646887,12252937723, %T A161370 269564629887,6469551117267,168208329048919,4709833213369707, %U A161370 141294996401091183,4521439884834917827,153728956084387206087 %N A161370 a(n) = 2*A010844(n) + 1. %H A161370 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 A161370 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 A161370 Cf. A010844. Column 2 of A161380. %K A161370 nonn %O A161370 0,1 %A A161370 _N. J. A. Sloane_, Nov 27 2009