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 A164062 #2 Mar 31 2012 10:22:38 %S A164062 13,17,13,11,23,29,17,29,23,47,43,41,103,53,41,29,97,89,23,101,227, %T A164062 127,29 %N A164062 Prime p2 of the sequence A164061: a^b - c^d = p1 (A164061), where a, b, c, d are primes and a + b + c + d = p2, where p2 is also prime. %e A164062 3^3 - 5^2 = 2, 3 + 3 + 5 + 2 = 13; 2^7 - 5^3 = 3, 2 + 7 + 5 + 3 = 17; 2^5 - 3^3 = 5, 2 + 5 + 3 + 3 = 13; 3^3 - 2^3 = 19, 3 + 3 + 2 + 3 = 11; %K A164062 nonn %O A164062 1,1 %A A164062 _Oleg Zyakun_, Aug 12 2009