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 A282688 #5 Feb 20 2017 23:15:31 %S A282688 5,23,5,23,5,23,5,7,23,5,13,23,19,5,23,5,23,5,7,23,5,23,5,13,5,19,5, %T A282688 23,7,5,23,5,23,5,23,13,5,23,7,5,19,23,5,23,5,23,5,29,13,23,5,5,19,5, %U A282688 23,5,23,5,7,23,5,23,5,17,23,5,19,23,5,7,23,5,23,5 %N A282688 Square root of the smallest square referenced in A280149 (Numbers n such that 3^n - 2^n is not squarefree). %H A282688 Robert Price, <a href="/A282688/b282688.txt">Table of n, a(n) for n = 1..127</a> %e A282688 A280149(1)=10, 3^10-2^10=58025, 58025=5*5*11*211, so 58025 is not squarefree the square being 5*5=25, the square root being 5. %Y A282688 Cf. A280149, A282689. %K A282688 nonn %O A282688 1,1 %A A282688 _Robert Price_, Feb 20 2017