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 A188921 #18 Aug 03 2014 14:01:29 %S A188921 0,1,1,0,2,1,1,1,0,0,2,0,2,2,1,1,3,0,0,0,1,0,2,0,0,0,2,1,0,2,2,2,2,1, %T A188921 2,2,1,2,0,2,0,1,2,1,2,0,2,0,0,0,0,0,1,2,2,2,2,1,2,1,0,1,2,0,0,0,0,2, %U A188921 2,1,1,0,0,2,2,1,0,0,2,0,0,1,0,1,0,2,2,1,0,0,1,1,0,2,2,0,2,2,0,2,0,2,1,1,0,1,2,1,2,2,2,1,2,2,2,1,0,0,0,1 %N A188921 Expansion of the fractional part of Pi in base Pi. %C A188921 The program (see link below) used to calculate this should guarantee enough accuracy. It is not a fast algorithm though, but it served its purpose! %H A188921 Nicholas C. Firth, <a href="/A188921/b188921.txt">Table of n, a(n) for n = 0..9999</a> %H A188921 Nicholas C. Firth, <a href="/A188921/a188921_2.txt">C++ code to generate terms</a> %H A188921 Wikipedia, <a href="http://en.wikipedia.org/wiki/Non-integer_representation">Non-integer representation</a> %e A188921 0.01102111002022113000102000210222212212... %t A188921 RealDigits[Pi - 3, Pi, 100, -1][[1]] (* _T. D. Noe_, Apr 14 2011 *) %K A188921 nonn,base,cons %O A188921 0,5 %A A188921 _Nicholas C. Firth_, Apr 13 2011