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 A158089 #7 Aug 26 2015 12:59:08 %S A158089 101,131,151,181,191,353,373,727,757,929,10301,10501,11311,12821, %T A158089 13331,13831,13931,14341,15551,16061,16361,16561,17971,19391,19891, %U A158089 19991,30103,30703,30803,31013,31513,33533,34543,34843,35153,35753,36563 %N A158089 Palindromic primes that contain at least one embedded palindromic prime by removing 1 or 2 digits. %C A158089 The only candidates for removing a single digit must be of the form 1x1 since 11 is the only palindromic prime with an even number of digits. %Y A158089 Subsequence of A002385 (palindromic primes). %K A158089 base,nonn %O A158089 1,1 %A A158089 _Ki Punches_, Mar 12 2009 %E A158089 Edited and corrected by _Ray Chandler_, May 24 2009