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 A085210 #5 May 18 2024 14:46:18 %S A085210 0,1,1,10,11,10,11,110,101,11,100,111,1010,111,100,101,1100,1011,1110, %T A085210 1001,101,110,1101,10100,1111,10010,1011,110,111,1110,10101,11100, %U A085210 10011,10110,1101,111,1000,1111,10110,11101,100100,10111,11010,1111,1000,1001 %N A085210 Array A085208 in binary. %Y A085210 Transpose: A085209. %K A085210 nonn,tabl,base %O A085210 0,4 %A A085210 _Antti Karttunen_, Jun 23 2003