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 A385936 #31 Jul 26 2025 08:04:52 %S A385936 3,344,2595,41220,1766549,8759073,22221394,22221394 %N A385936 a(n) is the starting position of the second occurrence of a string of the initial n hexadecimal digits of Pi in the hexadecimal expansion of Pi. %C A385936 Digit positions are numbered starting at 0 for the integer digit "3" of hexadecimal 3.243f..., and digit position 1 is the first fractional digit. %C A385936 Terms a(1)..a(8) found in first 41524101188 hexadecimal digits. %C A385936 a(9) > 4.152 * 10^10. %H A385936 Jason Doucette, <a href="https://thefirstpixel.com/2025.07.12/pi-inside-pi/">Pi Inside Pi, July 12, 2025</a> %Y A385936 Cf. A062964 (Pi in hex), A081876 (decimal Pi-inside-Pi), A385937 (binary Pi-inside-Pi). %K A385936 nonn,base,more %O A385936 1,1 %A A385936 _Jason A. Doucette_, Jul 12 2025