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 A338341 #8 Oct 28 2020 15:07:23 %S A338341 3,13,19,23,29,43,47,59,61,73,83,97,103,107,113,127,137,139,149,157, %T A338341 163,179,191,193,223,227,229,233,251,269,271,283,307,313,317,331,349, %U A338341 353,367,373,389,397,401,409,419,433,439,449,457,461,463,467,491,499,503,509,541,547,557 %N A338341 Primes p in A338338 that occur in the middle of a run of three terms in A338338 that are divisible by p. %H A338341 Rémy Sigrist, <a href="/A338341/b338341.txt">Table of n, a(n) for n = 1..10000</a> %H A338341 Rémy Sigrist, <a href="/A338341/a338341.gp.txt">PARI program for A338341</a> %o A338341 (PARI) See Links section. %Y A338341 Cf. A338338-A338349. %K A338341 nonn %O A338341 1,1 %A A338341 _N. J. A. Sloane_, Oct 27 2020