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 A084514 #4 Jul 29 2017 12:40:06 %S A084514 111,111,1011,111,1011,1101,111,10011,1011,111,10011,1101,111,1011, %T A084514 1101,1110,111,1011,10101,1011,111,1011,10101,1110,111,10011,1011, %U A084514 1101,111,10011,1101,1110,111,10011,11001,1101,111,10011,11001,1110,111,100011 %N A084514 Sequence A084513 in binary. %F A084514 a(n) = A007088(A084513(n)). %K A084514 nonn %O A084514 0,1 %A A084514 _Antti Karttunen_, Jun 02 2003