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 A084255 #22 Apr 03 2023 10:36:10 %S A084255 4,3,2,3,3,2,0,8,7,1,8,5,9,0,2,8,6,8,9,0,9,2,5,3,7,9,3,2,4,1,9,9,9,9, %T A084255 6,3,7,0,5,1,1,0,8,9,6,8,7,7,6,5,1,3,1,0,3,2,8,1,5,2,0,6,7,1,5,8,5,5, %U A084255 3,9,0,5,1,1,5,2,9,5,8,8,6,6,4,2,4,7,7,3,0,2,3,4,6,7,5,3,0,7,3,1,2,9 %N A084255 Decimal expansion of continued fraction 1/(2+1/(3+1/(5+1/(7+1/(11+...))))). %C A084255 Decimal expansion of the constant whose continued fraction form is the sequence of all the prime numbers. %H A084255 Michael Hartley, <a href="https://t5k.org/curios/page.php?number_id=2750">0.4323320871859028689..</a>, Prime Curios! %H A084255 G. L. Honaker, Jr., <a href="https://t5k.org/curios/page.php?number_id=2750">Prime Curios! 0.4323320871859028689...</a> %H A084255 Marek Wolf, <a href="http://arxiv.org/abs/1003.4015">Continued fractions constructed from prime numbers</a>, arxiv:1003.4015 [math.NT], 2010. %F A084255 1/A064442. - _Franklin T. Adams-Watters_, Jul 31 2009 %e A084255 0.4323320871859028689... %t A084255 RealDigits[1/FromContinuedFraction@ Prime@ Range@ 34, 10, 111] (* or *) %t A084255 RealDigits[ Fold[1/(#1 + #2) &, 1, Reverse@ Prime@ Range@35], 10, 111] (* _Robert G. Wilson v_, Dec 26 2016 *) %Y A084255 Cf. A000040, A084256, A084257, A152062 %K A084255 nonn,cons %O A084255 0,1 %A A084255 _Frank Ellermann_, May 23 2003