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 A214798 #10 Jun 02 2025 08:05:53 %S A214798 19,31,37,43,59,67,71,73,79,83,97,163,167,173,179,193,223,227,251,257, %T A214798 271,277,283,313,317,367,397,419,439,443,463,467,479,499,571,587,599, %U A214798 607,613,643,647,653,659,683,719,727 %N A214798 Union of A214796 and A214797. %Y A214798 Cf. A214795, A214796, A214797. %K A214798 nonn %O A214798 1,1 %A A214798 _Art DuPre_, Aug 03 2012