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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.

A132255 Isolated primes congruent to {17, 19} mod 30.

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%I A132255 #10 Apr 12 2025 12:37:28
%S A132255 47,79,167,257,317,379,409,439,467,499,557,587,647,677,709,739,769,
%T A132255 797,887,919,947,977,1009,1039,1069,1097,1129,1187,1217,1249,1307,
%U A132255 1367,1399,1459,1549,1579,1637,1759,1847,1907,2179,2207,2297
%N A132255 Isolated primes congruent to {17, 19} mod 30.
%H A132255 Harvey P. Dale, <a href="/A132255/b132255.txt">Table of n, a(n) for n = 1..1000</a>
%H A132255 C. K. Caldwell, <a href="http://primes.utm.edu">The Prime Pages</a>.
%H A132255 Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos</a>.
%t A132255 Select[Prime[Range[500]],NoneTrue[#+{2,-2},PrimeQ]&&MemberQ[{17,19},Mod[#,30]]&]
%Y A132255 Cf. A007510, A074822, A078857.
%K A132255 easy,nonn
%O A132255 1,1
%A A132255 _Omar E. Pol_, Aug 20 2007