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 A072700 #7 Nov 14 2019 09:41:18 %S A072700 2,3,5,7,11,13,4,17,19,5,23,29,31,7,6,37,8,41,4,43,47,10,53,8,11,59, %T A072700 61,9,67,13,71,73,9,6,79,83,11,16,89,10,17,12,97,101,103,5,107,109,6, %U A072700 20,113,8,14,12,22,127,23,131,13,137,139,25,12,17,149,151,18,157,28,15 %N A072700 A072698(n) / A072699(n). %H A072700 Amiram Eldar, <a href="/A072700/b072700.txt">Table of n, a(n) for n = 1..10000</a> %e A072700 a(19) = A072698(19)/A072699(19) = 12/3 = 4. %Y A072700 Cf. A005117, A072701, A072697. %K A072700 nonn %O A072700 1,1 %A A072700 _Reinhard Zumkeller_, Jul 04 2002