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 A286534 #5 May 17 2017 17:56:13 %S A286534 1,2,3,2,3,4,5,2,3,6,7,5,5,6,5,2,3,6,8,5,6,9,10,5,5,10,11,5,4,6,5,2,3, %T A286534 6,8,6,10,12,10,4,5,13,14,5,5,13,10,5,5,10,13,5,5,15,10,5,5,11,11,5,5, %U A286534 6,5,2,3,6,8,5,11,12,13,5,5,16,17,5,5,13,11,5,5,10,18,5,11,19,10,5,5,10,20,5,5,13,10,5,5,10,13,6,5,20,10,5,6,10,21,5 %N A286534 Restricted growth sequence of A286557. %H A286534 Antti Karttunen, <a href="/A286534/b286534.txt">Table of n, a(n) for n = 0..8191</a> %Y A286534 Cf. A286557, A286532. %K A286534 nonn %O A286534 0,2 %A A286534 _Antti Karttunen_, May 17 2017