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 A094215 #5 Mar 30 2012 18:39:23 %S A094215 1,0,1,1,0,1,1,1,1,1,1,1,0,1,1,2,2,1,1,1,1,1,1,2,1,1,2,2,3,2,1,1,1,0, %T A094215 1,1,2,2,2,3,2,3,2,1,2,2,2,3,3,3,2,1,1,1,1,1,1,2,2,1,2,2,3,3,3,4,4,4, %U A094215 4,4,4,3,3,3,2,2,2,2,3,3,3,4,3,3,2,1,1,1,0,1,1,2,2,2,3,3,4,3,3,4,3,3,3,2,3 %N A094215 a(n)=A093878(n)-floor(n/phi) where phi=(1+sqrt(5))/2. %F A094215 a(A001519(n))=0 %K A094215 nonn %O A094215 1,16 %A A094215 _Benoit Cloitre_, May 27 2004