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 A059163 #10 Sep 13 2022 20:41:34
%S A059163 4,8,4,8,16,8,4,8,4,16,32,16,4,8,4,8,16,8,4,8,4,32,64,32,4,8,4,8,16,8,
%T A059163 4,8,4,16,32,16,4,8,4,8,16,8,4,8,4,64,128,64,4,8,4,8,16,8,4,8,4,16,32,
%U A059163 16,4,8,4,8,16,8,4,8,4,32,64,32,4,8,4,8,16,8,4,8,4,16,32,16,4,8,4,8,16
%N A059163 A hierarchical sequence (W'3{2,2}*c - see A059126).
%H A059163 J. Wallgren, <a href="/A059126/a059126.txt">Hierarchical sequences</a>
%F A059163 Conjecture: a(n) = 2^(1+A059129(n)). - _R. J. Mathar_, Apr 04 2019
%F A059163 a(n) = A059151(3*n) + A059151(3*n+1) + A059151(3*n+2). - _Sean A. Irvine_, Sep 13 2022
%K A059163 easy,nonn
%O A059163 0,1
%A A059163 _Jonas Wallgren_, Feb 02 2001