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 A101816 #18 Mar 26 2025 11:21:51 %S A101816 21981157633,29832636867,39232573648,42140457481,43065796214 %N A101816 Positions in decimal places of Pi where the string of digits 9876543210 appears. %H A101816 <a href="/index/Ph#Pi314">Index entries for sequences related to the number Pi</a> %H A101816 Jonathan Borwein, <a href="https://web.archive.org/web/20221015000000*/https://www.cecm.sfu.ca/~jborwein/brouwer.html">The Brouwer-Heyting Sequence</a> %H A101816 Shyam Sunder Gupta, <a href="https://doi.org/10.1007/978-981-97-2465-9_19">Mystery of pi</a>, Exploring the Beauty of Fascinating Numbers, Springer (2025) Ch. 19, 473-497. %H A101816 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PiDigits.html">Pi Digits</a> %e A101816 The first occurrence of 9876543210 in the decimal places of Pi is in the string of digits starting at the 21981157633th decimal place. %Y A101816 Cf. A101815 for positions of 0123456789 in Pi. %K A101816 base,hard,more,nonn %O A101816 0,1 %A A101816 Mark Hudson (mrmarkhudson(AT)hotmail.com), Dec 17 2004