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 A219724 #7 Feb 16 2025 08:33:18 %S A219724 1,2,175,702,877,1579,2456,11403,595412,1202227,1797639,98274733, %T A219724 198347105,1883398678,2081745783,6046890244,8128636027,22304162298, %U A219724 75041122921,922797637350,997838760271,1920636397621,4839111555513,11598859508647,16437971064160 %N A219724 Denominators of convergents to log_10(Pi). %C A219724 Pi^a(n) gets increasingly close to 10^A219723(n). %H A219724 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Pi.html">Pi</a> %e A219724 0, 1/2, 87/175, 349/702, 436/877, 785/1579, 1221/2456, 5669/11403, .... %t A219724 Denominator@Convergents[Log[10, Pi], 25] %Y A219724 Cf. A053511 (decimal), A219723 (numerators). %K A219724 easy,frac,nonn %O A219724 1,2 %A A219724 _Arkadiusz Wesolowski_, Nov 26 2012