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 A230220 #6 Oct 13 2013 13:59:49 %S A230220 11,16661,31513,74747,75557,1035301,1074701,1303031,1363631,1374731, %T A230220 1557551,1646461,1714171,1777771,1909091,3075703,3127213,3452543, %U A230220 3627263,3635363,3646463,3746473,3784873,3948493,3983893,7057507,7302037,7354537,7365637,7622267 %N A230220 Smaller of two consecutive palindromic primes with equal digital sum. %H A230220 Shyam Sunder Gupta, <a href="/A230220/b230220.txt">Table of n, a(n) for n = 1..5000</a> %e A230220 11 is in the sequence because 11 and 101 are consecutive palindromic primes and the sum of the digits of each = 2. %Y A230220 Cf. A002385, A007953, A007605, A066540, A230199. %K A230220 nonn,base %O A230220 1,1 %A A230220 _Shyam Sunder Gupta_, Oct 11 2013