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 A050665 #6 Oct 14 2019 23:55:34 %S A050665 2,3,5,7,929,1117,2459,2819,4111,5189,6427,6959,7561,7841,8849,16741, %T A050665 17053,17761,18089,24659,26119,27329,27689,28843,28933,29243,29311, %U A050665 31601,32621,33107,33289,35977,38273,38431,38959,40361,40471,41467 %N A050665 Primes p such that number of primes produced according to rules stipulated in Honaker's A048853 is 3. %e A050665 Altering a(1)=2 gives 3 primes: 3, 5 and 7. %Y A050665 Cf. A048853, A050673, A050654. %K A050665 nonn,base %O A050665 1,1 %A A050665 _Patrick De Geest_, Jul 15 1999