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 A307750 #6 Apr 27 2019 05:26:58 %S A307750 1,2,3,4,5,7,8,9,10,11,13,14,15,17,19,23,29,30,31,37,41,43,47,53,59, %T A307750 61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151, %U A307750 157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239 %N A307750 Records in A307720. %H A307750 Rémy Sigrist, <a href="/A307750/b307750.txt">Table of n, a(n) for n = 1..5000</a> %H A307750 Rémy Sigrist, <a href="/A307750/a307750.txt">C++ program for A307750</a> %o A307750 (C++) See Links section. %Y A307750 See A307631 for the corresponding indices. %Y A307750 Cf. A307720. %K A307750 nonn %O A307750 1,2 %A A307750 _Rémy Sigrist_, Apr 26 2019