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 A109184 #7 Jun 19 2021 12:28:01 %S A109184 929,16661,17471,36263,70607,72227,73037,91019,1074701,1082801, %T A109184 1180811,1262621,1328231,1360631,1508051,1532351,1630361,1712171, %U A109184 1802081,3160613,3218123,7014107,7300037,9002009,102383201,102707201,103282301 %N A109184 Palindromic primes with digit sum 20. %C A109184 Cf. A070250 Palindromic primes with digit sum 10, A107579 Primes with digit sum = 10, A106760 Primes with digit sum = 20, A109185 Palindromic primes with digit sum 40. %H A109184 Chai Wah Wu, <a href="/A109184/b109184.txt">Table of n, a(n) for n = 1..4732</a> %t A109184 Select[Prime[Range[5940000]],PalindromeQ[#]&&Total[IntegerDigits[#]]==20&] (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Jun 19 2021 *) %Y A109184 Cf. A070250, A106760, A107579, A109185. %K A109184 base,nonn %O A109184 1,1 %A A109184 _Zak Seidov_, Jun 22 2005