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 A016477 #14 Dec 20 2015 08:53:12
%S A016477 3,1,8,4,9,1,23,1,3,20,1,1,16,1,2,2,5,4,1,1,4,1,2,2,1,3,1,1,1,1,2,1,5,
%T A016477 5,1,1,3,1,11,1,2,3,2,1,3,4,1,1,1,11,2,1,3,2,1,1,1,2,4,1,1,3,2,1,9,1,
%U A016477 1,5,1,1,1,5,4,3,6,4,1,2,2
%N A016477 Continued fraction for log(49).
%H A016477 Harry J. Smith, <a href="/A016477/b016477.txt">Table of n, a(n) for n = 1..20000</a>
%e A016477 3.891820298110626610210705486... = 3 + 1/(1 + 1/(8 + 1/(4 + 1/(9 + ...)))). - _Harry J. Smith_, May 21 2009
%t A016477 ContinuedFraction[Log[49],90] (* _Harvey P. Dale_, Mar 14 2014 *)
%o A016477 (PARI) { allocatemem(932245000); default(realprecision, 21000); x=contfrac(log(49)); for (n=1, 20000, write("b016477.txt", n, " ", x[n])); } \\ _Harry J. Smith_, May 21 2009
%Y A016477 Cf. A016672 Decimal expansion. - _Harry J. Smith_, May 21 2009
%K A016477 nonn,cofr
%O A016477 1,1
%A A016477 _N. J. A. Sloane_