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 A050657 #6 Oct 14 2019 23:57:04 %S A050657 23,41,47,53,71,79,83,91,99,113,149,181,217,229,289,293,311,349,359, %T A050657 361,379,417,421,433,517,523,541,587,593,617,619,661,669,699,701,719, %U A050657 727,769,787,789,797,881,923,933,959,969,971,1057,1077,1149,1169,1327 %N A050657 Numbers n such that number of primes produced according to rules stipulated in Honaker's A048853 is 6. %e A050657 Altering a(8)=91 gives 6 primes: 11, 31, 41, 61, 71 and 97. %Y A050657 Cf. A048853, A050662, A050668. %K A050657 nonn,base %O A050657 1,1 %A A050657 _Patrick De Geest_, Jul 15 1999