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 A068434 #16 Dec 14 2017 03:43:50 %S A068434 1,1,0,0,1,1,1,0,0,0,0,0,0,0,1,0,0,0,0,0,1,1,1,1,1,0,1,1,1,1,1,1,0,1, %T A068434 1,0,1,1,0,0,0,1,1,0,1,0,0,1,1,0,0,1,1,0,1,1,0,1,0,1,0,1,1,1,1,1,1,0, %U A068434 1,1,1,1,1,0,1,1,1,0,1,1,1,1,0,1,0,0,1,0,1,0,0,0,1,0,1,1,0,0,0,0,0,0,1,1,1 %N A068434 Expansion of log(5) in base 2. %H A068434 Iain Fox, <a href="/A068434/b068434.txt">Table of n, a(n) for n = 1..20000</a> %t A068434 RealDigits[Log[5], 2, 125][[1]] (* _Alonso del Arte_, Dec 14 2017 *) %o A068434 (PARI) concat(binary(log(5))) \\ _Michel Marcus_, Dec 14 2017 %Y A068434 Cf. A016628. %K A068434 base,cons,easy,nonn %O A068434 1,1 %A A068434 _Benoit Cloitre_, Mar 09 2002