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 A283452 #7 Dec 09 2017 19:47:56 %S A283452 4,25,9,289,4,25,4,289,9,25,4,289,4,25,9,591361,4,25,4,289,9,25,4,289, %T A283452 4,169,9,289,4,25,4,37249,9,289,4,289,4,25,9,289,4,25,4,289,9,25,4, %U A283452 9409,4,25,9,289,4,25,121,289,9,25,4,289,4,25,9,66049,4,25,4,289,9,25,4,289,4,1369,9,289,4,169 %N A283452 The smallest square referenced in A248214 (Least integer b > 0 such that b^n + 1 is not squarefree). %e A283452 A248214(2)=7, 7^2 + 1 = 50 = 2*5*5, so 50 is not squarefree, the square being 5*5 = 25. %Y A283452 Cf. A248214, A248576. %K A283452 nonn %O A283452 1,1 %A A283452 _Robert Price_, Mar 07 2017