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 A282874 #5 Feb 23 2017 22:18:37 %S A282874 25,529,49,169,361,841,289,5041 %N A282874 The smallest square referenced in A280203 (Numbers n such that 3^n - 2^n is not squarefree not divisible by any smaller number of the same form). %e A282874 A280203(1)=10, 3^10-2^10=58025, 58025=5*5*11*211, so 58025 is not squarefree the square being 5*5=25. %Y A282874 Cf. A280149, A280203, A282875. %K A282874 nonn %O A282874 1,1 %A A282874 _Robert Price_, Feb 23 2017