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 A070838 #5 Dec 05 2013 19:55:19 %S A070838 23,13,41,37,61,17,29,19,0,1231,211,0,0,0,0,0,0,0,0,1021,2903,103,0,0, %T A070838 0,0,0,0,0,1031,2081,0,401,0,0,0,0,0,0,1151,4073,0,0,307,0,0,0,0,0, %U A070838 1051,2281,0,0,0,227,0,0,0,0,1061,2161,0,0,0,0,107,0,0,0,1181,2371,0,0,0,0,0 %N A070838 Smallest prime p such that |p - R(p)| = 9n, where R(n) is digit reversal of n, A004086; or 0 if no such prime exists. %Y A070838 Cf. A070837. %K A070838 base,nonn %O A070838 1,1 %A A070838 _Amarnath Murthy_, May 12 2002 %E A070838 Corrected and extended by _Sascha Kurz_, Jan 02 2003