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 A163533 #8 Aug 29 2020 01:55:16 %S A163533 0,0,0,1,0,0,1,0,0,0,0,0,-1,0,0,-1,0,0,0,0,0,1,0,0,1,0,0,1,0,0,1,0,0, %T A163533 1,0,0,0,0,0,-1,0,0,-1,0,0,0,0,0,1,0,0,1,0,0,1,0,0,1,0,0,1,0,0,0,0,0, %U A163533 -1,0,0,-1,0,0,0,0,0,1,0,0,1,0,0,0,0,0,-1,0,0,-1,0,0,0,0,0,1,0,0,1,0 %N A163533 The change in Y-coordinate when moving from the n-1:th to the n-th point in the Peano curve A163334. %H A163533 Antti Karttunen, <a href="/A163533/b163533.txt">Table of n, a(n) for n = 0..59049</a> %F A163533 a(0)=0, a(n) = A163529(n) - A163529(n-1). %Y A163533 These are the first differences of A163529. See also: A163532, A163534, A163536. %K A163533 sign %O A163533 0,1 %A A163533 _Antti Karttunen_, Aug 01 2009 %E A163533 Name corrected by _Kevin Ryde_, Aug 29 2020