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 A038101 #15 Sep 04 2021 13:27:28 %S A038101 1,2,3,4,5,6,8,9,99,141,151,313,343,505,535,585,767,959,1771,6446, %T A038101 9669,15751,32823,39193,48184,59995,65456,73137,85858,323323,944449, %U A038101 1081801,1155511,1299921,1491941,5514155,5870785,7639367,7913197,7940497,8156518,8257528 %N A038101 First location of palindrome a(n) in decimal expansion of Pi is palindromic. %C A038101 'Location' starts from the first digit after the decimal point and refers to the first digit of the palindrome. %H A038101 Dave Andersen, <a href="http://www.angio.net/pi/piquery">The Pi-Search Page</a> %H A038101 Patrick De Geest, <a href="http://www.worldofnumbers.com/index.html">World!Of Numbers</a> %Y A038101 Cf. A014777, A038099, A038100. %K A038101 nonn,base %O A038101 1,2 %A A038101 _Patrick De Geest_, Feb 15 1999 %E A038101 Offset changed to 1 by and more terms from _Jinyuan Wang_, Sep 04 2021