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 A164075 #2 Mar 31 2012 10:22:38 %S A164075 29,53,59,173,251,293,1373,1459,2213,3253,4493,5333,8317,9413,10613, %T A164075 20359,24517,27893,37253,54293,76733,78157,94253,103951,120413,139133, %U A164075 169243,205507,253013,351653,366103,368453,375773,458333,524413,548677 %N A164075 Prime p1 of the form a^b + c^d = p1, where a, b, c, d are primes and a + b + c + d = p2, where p2 (A164076) is also prime. %e A164075 2^2 + 5^2 = 29, 2 + 2 + 5 + 2 = 11; 2^2 + 7^2 = 53, 2 + 2 + 7 + 2 = 13; 2^5 + 3^3 = 59, 2 + 5 + 3 + 3 = 13; 2^2 + 13^2 = 173, 2 + 2 + 13 + 2 = 19; %K A164075 nonn %O A164075 1,1 %A A164075 _Oleg Zyakun_, Aug 12 2009