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 A283245 #26 Mar 06 2017 19:40:13 %S A283245 3,7,3,3,3,3,3,7,11,3,3,31,3,3,3,3,7,3,23,3,7,3,31,3,3,3,7,3,3,7,3,3, %T A283245 3,3,31,3,7,23,3,3,3,3,3,43,3,7,3,3,7,3,3,3,3,23,3,11,7,3,3,3 %N A283245 Square root of the smallest square referenced in A280296 (Squarefree numbers n such that 2^n - 1 is divisible by a square > 1). %e A283245 A280296(1)=6, 2^6-1 = 63 = 3*3*7, so 63 is not squarefree the square being 3*3=9 and the root is 3. %Y A283245 Cf. A280296, A283092. %K A283245 nonn %O A283245 1,1 %A A283245 _Robert Price_, Mar 06 2017