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 A115699 #2 Mar 30 2012 17:40:35 %S A115699 23,41,53,61,223,263,283,467,509,557,607,647,719,809,829,2131,2141, %T A115699 2153,2347,2351,2521,2531,2593,2731,2767,2953,2957,4091,4261,4603, %U A115699 4751,4817,4951,5171,5393,5651,6173,6361,6571,6581,6761,6763,6791 %N A115699 Primes whose digit reversal is the product of 2 palindromes greater than 1. %e A115699 829 is prime and 928=4*232. %Y A115699 Cf. A115683. %K A115699 nonn,base %O A115699 1,1 %A A115699 _Giovanni Resta_, Jan 31 2006