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 A099643 #17 Mar 09 2025 05:11:25 %S A099643 3,2,5,1,2,1,3,2,1,2,1,13,897,2,8,1,2,1,1,15,2,3,2,1,1,2,1,11,2,1117, %T A099643 1,12,2,1,1,2,1,18,4,187,22,1,3,3,3,14,1,2,3,1,78,3,1,1,65,3,1,4,2,2, %U A099643 2,1,3,16,2,5,5,2,1,4,1,3,883,1,1,1,2,1,1,2,3,1,4,1,15,1,2,5,1,1,2,1,9,16,1 %N A099643 Continued fraction for Pi + 1/Pi. %C A099643 Pi and 1/Pi have separately x and 1-shifted-x continued fraction coefficient series. This expansion apparently does not display connection with those of added terms. %H A099643 Amiram Eldar, <a href="/A099643/b099643.txt">Table of n, a(n) for n = 0..10000</a> %t A099643 ContinuedFraction[Pi+1/Pi, 128] %o A099643 (PARI) contfrac(Pi + 1/Pi) \\ _Amiram Eldar_, Mar 08 2025 %Y A099643 Cf. A001203, A098801 (decimal expansion). %K A099643 cofr,nonn %O A099643 0,1 %A A099643 _Labos Elemer_, Nov 02 2004 %E A099643 Offset changed by _Andrew Howroyd_, Aug 04 2024