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 A268403 #11 Feb 10 2016 12:37:59 %S A268403 1,3,9,19,41,71,113,171,241,319,401,503,633,823,1033,1343,1673,2031, %T A268403 2413,2855,3317,3795,4357,5015,5757,6595,7457,8427,9465,10687,11969, %U A268403 13287,14905,16715,18585,20563,22601,24663,26761,29003,31401,33859,36437,39339,42277 %N A268403 Partial sums of A080715. %H A268403 Peter Kagey, <a href="/A268403/b268403.txt">Table of n, a(n) for n = 1..39627</a> (all terms of A080715 below 100000000) %H A268403 Project Euler, <a href="https://projecteuler.net/problem=357">Problem 357: Prime generating integers</a> %K A268403 nonn %O A268403 1,2 %A A268403 _Peter Kagey_, Feb 03 2016