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 A161686 #9 Nov 11 2017 15:24:57
%S A161686 0,1,2,1,5,1,4,2,2,1,1,2,2,2,6,1,1,1,5,2,1,1,1,1,1,6,2,3,1,11,1,2,1,
%T A161686 21,1,6,11,1,3,1,1,1,1,6,2,3,1,2,3,20,2,5,1,1,48,1,1,1,3,1,23,8,1,8,3,
%U A161686 4,2,1,1,9,1,4,1,4,19,18,1,1,5,6,1,39,192,2,1,1,1,1,1,2,19,1,3,5,13,98,1,1
%N A161686 Continued fraction for Pi/(3*sqrt(2)).
%H A161686 Harry J. Smith, <a href="/A161686/b161686.txt">Table of n, a(n) for n = 0..20000</a>
%e A161686 0.740480489693061041169313498... = 0 + 1/(1 + 1/(2 + 1/(1 + 1/(5 + ...))))
%t A161686 ContinuedFraction[Pi/(3*Sqrt[2]),120] (* _Harvey P. Dale_, Nov 11 2017 *)
%o A161686 (PARI) { allocatemem(932245000); default(realprecision, 21000); x=contfrac(Pi*sqrt(2)/6); for (n=0, 20000, write("b161686.txt", n, " ", x[n+1])); }
%Y A161686 Cf. A093825 Decimal expansion.
%K A161686 nonn
%O A161686 0,3
%A A161686 _Harry J. Smith_, Jun 18 2009