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 A112073 #2 Mar 31 2012 14:02:21 %S A112073 23,25,47,73,95,97,143,145,167,193,215,217,263,265,287,313,335,337, %T A112073 383,385,407,433,455,457,503,505,527,553,575,577,623,625,647,673,695, %U A112073 697,743,745,767,793,815,817,863,865,887,913,935,937,983,985,1007 %N A112073 Odd numbers n for which 5 is the smallest i (>= 1) with Jacobi symbol J(i,n) getting either a value 0 or -1. %Y A112073 Row 3 of A112070. a(n) = 2*A112063(n)+1. %K A112073 nonn %O A112073 1,1 %A A112073 _Antti Karttunen_, Aug 27 2005