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 A022828 #8 May 21 2019 22:01:31 %S A022828 1,1,0,1,1,0,0,2,1,2,2,1,2,0,2,3,1,2,1,3,2,3,2,1,1,2,2,1,1,0,3,5,2,3, %T A022828 0,1,1,0,1,2,2,3,2,3,1,2,1,0,2,2,2,3,0,1,4,1,2,1,4,3,1,3,8,8,3,4,1,4, %U A022828 1,2,1,0,1,1,5,4,4,3,2,5,4,5,1,4,2,4,4,5,2,2,0,1,3,1,5,4,1,5,2,3 %N A022828 a(n) = absolute value of ( a([ (n+1)/2 ]) - a([ (n+1)/3 ])+...+((-1)^n)a([ (n+1)/n ]) ). %K A022828 nonn %O A022828 0,8 %A A022828 _Clark Kimberling_ %E A022828 Missing a(37)=0 inserted by _Sean A. Irvine_, May 21 2019