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 A049043 #7 Jun 28 2020 14:25:12 %S A049043 3,13,29,43,47,53,59,67,79,83,97,101,107,109,127,137,149,151,179,181, %T A049043 199,223,229,241,269,271,277,281,311,347,353,359,389,421,433,439,443, %U A049043 449,479,499,509,563,587,593,599,607,613,631,643,653,659,683,709,739 %N A049043 Primes not in domain of A049041. %Y A049043 Primes not in A049042. %Y A049043 Cf. A003422, A049041. %K A049043 nonn %O A049043 1,1 %A A049043 _David W. Wilson_