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 A338339 #11 Oct 28 2020 15:04:21 %S A338339 2,5,7,11,17,31,37,41,53,67,71,79,89,101,109,131,151,173,181,197,199, %T A338339 211,241,257,263,277,281,293,311,347,359,383,421,431,443,487,521,523, %U A338339 593,607,643,659,701,709,739,809,811,827,883,971,983,1009,1019,1031,1039,1061,1069,1109 %N A338339 Primes p in A338338 that occur at the start of a run of three terms in A338338 that are divisible by p. %H A338339 Rémy Sigrist, <a href="/A338339/b338339.txt">Table of n, a(n) for n = 1..10000</a> %H A338339 Rémy Sigrist, <a href="/A338339/a338339.txt">C program for A338339</a> %o A338339 (C) See Links section. %Y A338339 Cf. A338338-A338349. %K A338339 nonn %O A338339 1,1 %A A338339 _N. J. A. Sloane_, Oct 27 2020