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 A163532 #7 Aug 28 2020 06:59:46 %S A163532 0,1,1,0,-1,-1,0,1,1,1,1,1,0,-1,-1,0,1,1,1,1,1,0,-1,-1,0,1,1,0,-1,-1, %T A163532 0,1,1,0,-1,-1,-1,-1,-1,0,1,1,0,-1,-1,-1,-1,-1,0,1,1,0,-1,-1,0,1,1,0, %U A163532 -1,-1,0,1,1,1,1,1,0,-1,-1,0,1,1,1,1,1,0,-1,-1,0,1,1,1,1,1,0,-1,-1,0 %N A163532 The change in X-coordinate when moving from the n-1:th to the n-th point in the Peano curve A163334. %H A163532 Antti Karttunen, <a href="/A163532/b163532.txt">Table of n, a(n) for n = 0..59049</a> %F A163532 a(0)=0, a(n) = A163528(n) - A163528(n-1). %Y A163532 A014578(n) = |a(n)|. These are the first differences of A163528. See also: A163533, A163534, A163536. %K A163532 sign %O A163532 0,1 %A A163532 _Antti Karttunen_, Aug 01 2009 %E A163532 Name corrected by _Kevin Ryde_, Aug 28 2020