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 A171432 #12 Feb 25 2020 05:33:55 %S A171432 2,3,5,23,53,137,480881,480941,480989,481001,481469,3524099,3524113, %T A171432 3524281,3524309,70117933,189961799,189961907,189961997,189962177, %U A171432 189962609,189963941,189963959,189968729,514274867,514282961,3779851157,10246935913,10246936309,10246936463 %N A171432 Primes that are congruent to 5 mod n, where n is the index of the prime. %H A171432 Giovanni Resta, <a href="/A171432/b171432.txt">Table of n, a(n) for n = 1..68</a> %t A171432 Prime@ Select[Range[10^5], Mod[Prime[#] - 5, #] == 0 &] (* _Giovanni Resta_, Feb 25 2020 *) %Y A171432 Cf. A023147, A048891, A171430, A171431. %K A171432 nonn %O A171432 1,1 %A A171432 _Vladimir Joseph Stephan Orlovsky_, Dec 08 2009 %E A171432 a(13) from _Harvey P. Dale_, Sep 21 2014 %E A171432 Missing a(1)-a(3), a(17) and beyond from _Giovanni Resta_, Feb 23 2020