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 A085213 #5 May 18 2024 14:46:32 %S A085213 0,1,1,10,11,10,11,110,110,11,100,111,1100,111,100,101,1100,1110,1110, %T A085213 1100,101,110,1011,11000,1111,11000,1101,110,111,1110,10110,11100, %U A085213 11100,11010,1110,111,1000,1111,11100,10111,110000,11101,11100,1111,1000,1001 %N A085213 Array A085211 in binary. %Y A085213 Transpose: A085214. %K A085213 nonn,tabl,base %O A085213 0,4 %A A085213 _Antti Karttunen_, Jun 23 2003