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 A111655 #14 Feb 24 2023 11:54:17 %S A111655 4,4,4,4,6,6,6,6,6,6,8,8,8,8,8,8,8,8,9,9,9,9,9,9,9,9,9,10,10,10,10,10, %T A111655 10,10,10,10,10,12,12,12,12,12,12,12,12,12,12,12,12,14,14,14,14,14,14, %U A111655 14,14,14,14,14,14,14,14,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15 %N A111655 n-th composite number appears n-th composite number times. %C A111655 A002808(n) appears A002808(n) times. %Y A111655 Cf. A002808, A111653, A111654. %K A111655 easy,nonn,less %O A111655 1,1 %A A111655 _Jonathan Vos Post_, Aug 12 2005