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 A116037 #2 Mar 30 2012 17:40:36 %S A116037 1,17,20,29,253,344,370,445,479,675,786,887,1539,3115,4221,4271,6002, %T A116037 6416,7657,9015,10003,11563,12651,12984,14200,14494,14880,14928,15504, %U A116037 15738,17064,18008,18265,18395,19065,21795,23093,23676,24078,24570 %N A116037 n+p(n)+p(p(n)) is a palindrome, where p(n) denotes the n-th prime. %e A116037 10003+p(10003)+p(p(10003)) = 1481841. %Y A116037 Cf. A115884. %K A116037 nonn,base %O A116037 1,2 %A A116037 _Giovanni Resta_, Feb 13 2006