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 A339306 #21 Nov 30 2020 17:31:36
%S A339306 2,1,11,1,1,30,1,6,2,27,1,3,41,1,4,19,2,1,3,2,1,3,3,12,1,1,12,1,60,1,
%T A339306 3,1,1,3,4,1,5,3,1,4,4,6,1,3,5,1,1,1,17,1,1,1,1,3,1,2,6,8,1,11,1,1,80,
%U A339306 1,7,3,11,1,1,2,1,105,1,3,14,1,10,1,22,5,2
%N A339306 Continued fraction expansion of the constant defined in A249270.
%H A339306 Michael Reilly, <a href="/A339306/b339306.txt">Table of n, a(n) for n = 0..10000</a>
%t A339306 q[x_] := Apply[Times, Table[Prime[w], {w, 1, PrimePi[x]}]];
%t A339306 ContinuedFraction[Sum[1/q[n], {n, 0, 100}]]
%Y A339306 Cf. A249270, A034386.
%K A339306 nonn,cofr
%O A339306 0,1
%A A339306 _Michael Reilly_, Nov 29 2020