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 A186700 #16 Nov 05 2015 12:14:46
%S A186700 3,4,6,8,22,22,22,22,33,33,33,44,44,44,55,55,66,66,77,77,77,88,88,99,
%T A186700 99,111,111,111,111,121,131,141,141,141,151,161,161,171,171,181,181,
%U A186700 191,202,202,202,202,212,232,232,232,242,242,242,252,262,272,272,272,282,282,292,303,313,313,323,323,333,343,353,353,363,363,373,383,383,393,393,404,404
%N A186700 Next palindrome after n-th prime.
%H A186700 Chai Wah Wu, <a href="/A186700/b186700.txt">Table of n, a(n) for n = 1..10000</a>
%t A186700 palQ[n_] := # == Reverse@ # &@ IntegerDigits@ n; Table[k = Prime@ n + 1; While[! palQ@ k, k++]; k, {n, 79}] (* _Michael De Vlieger_, Nov 05 2015 *)
%o A186700 (PARI) a(n) = {p = prime(n)+1; while ((d = digits(p)) && (Vecrev(d)!=d), p++); p;} \\ _Michel Marcus_, Nov 05 2015
%Y A186700 Cf. A014208, A186698.
%K A186700 nonn,base
%O A186700 1,1
%A A186700 _Harvey P. Dale_, Feb 25 2011