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 A333401 #15 Mar 24 2020 12:02:47 %S A333401 2,4,3,4,3,3,3,3,3,4,3,5,3,5,3,4,2,7,3,5,3,4,2,6,4,5,3,4,2,7,3,5,4,5, %T A333401 4,7,2,5,4,4,2,6,4,5,6,3,4,6,2,5,3,5,3,7,3,5,5,4,4,5,4,5,4,4,2,7,3,5, %U A333401 3,5,4,7,3,5,4,4,2,7,3,5,6,3,4,6,2,5,3 %N A333401 a(n) is the distance between n and -n in A333400. %C A333401 Records occur at n = 1, 2, 12, 18, 108, 216, 8856, ... %C A333401 Interestingly, a(224) = a(225) = ... = a(441) = 3. %H A333401 Peter Kagey, <a href="/A333401/b333401.txt">Table of n, a(n) for n = 1..10000</a> %K A333401 nonn %O A333401 1,1 %A A333401 _Alec Jones_, Mar 18 2020