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 A066517 #12 Jul 09 2025 03:56:47 %S A066517 0,1,2,3,3,1,2,2,1,3,1,8,1,4,1,1,2,1,2,31,9,2,1,3,1,3,13,3,2,11,3,1,1, %T A066517 1,2,2,10,10,2,1,204,4,2,12,2,8,1,1,6,17,5,2,34,4,2,2,1,5,1,1,1,1,4,1, %U A066517 2,1,54,3,1,6,1,13,3,2,12,1,1,1,2,2,5,2,2,7,2,2,2,1,2,1,10,3,3,1,8,9,1 %N A066517 Continued fraction expansion of Artin constant of rank 2: product(1-1/(p^3-p^2), p=prime). %H A066517 G. Niklasch, <a href="/A001692/a001692.html">Some number theoretical constants: 1000-digit values</a> [Cached copy] %H A066517 <a href="/index/Ar#Artin">Index entries for sequences related to Artin's conjecture</a> %e A066517 0.697501358496365903284670350820922924... %Y A066517 Cf. A065414. %K A066517 nonn %O A066517 0,3 %A A066517 _Simon Plouffe_ Jan 05 2002