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 A258653 #9 Jun 16 2015 13:45:21 %S A258653 5,7,7,11,13,13,13,17,17,19,17,19,23,23,23,23,29,31,29,31,37,37,37,41, %T A258653 43,43,43,41,43,47,47,47,47,41,53,53,53,53,43,53,59,47,59,61,47,53,59, %U A258653 59,67,61,61,67,73,73,73,71,67,79,79,71,83,83,83,83,79,83 %N A258653 Suppose A103739(n)=(p^2 + q^2)/2 with p < q primes. The sequence gives values of q. %e A258653 A103739(1)=17=(3^3+5^2)/2 hence a(1)=5; %e A258653 A103739(2)=29=(3^3+7^2)/2 hence a(2)=7. %Y A258653 Cf. A103739, A258642 (values of p). %K A258653 nonn %O A258653 1,1 %A A258653 _Zak Seidov_, Jun 06 2015