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 A286589 #5 Jun 03 2017 11:16:18 %S A286589 1,2,2,3,2,4,3,5,2,4,4,6,3,6,5,7,2,4,4,6,4,8,6,9,3,6,6,10,5,10,7,11,2, %T A286589 4,4,6,4,8,6,10,4,8,8,12,6,12,9,13,3,6,6,9,6,12,10,13,5,10,10,14,7,14, %U A286589 11,15,2,4,4,6,4,8,6,10,4,8,8,12,6,12,10,14,4,8,8,12,8,16,12,17,6,12,12,17,9,17,13,18,3,6,6,9,6,12,9,13,6,12,12 %N A286589 Restricted growth sequence transform of A286588. %H A286589 Antti Karttunen, <a href="/A286589/b286589.txt">Table of n, a(n) for n = 0..21845</a> %Y A286589 Cf. A286588, A286622. %K A286589 nonn %O A286589 0,2 %A A286589 _Antti Karttunen_, Jun 03 2017