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 A116937 #11 May 24 2021 15:06:55 %S A116937 1,0,0,1,1,1,0,1,1,1,1,0,1,0,0,1,1,1,1,0,0,1,1,0,0,1,0,0,1,1,0,1,1,1, %T A116937 1,1,0,0,1,0,0,0,1,0,1,1,1,0,1,1,1,1,0,0,1,0,1,1,0,1,0,0,1,0,0,1,0,1, %U A116937 0,1,1,0,1,1,1,0,0,0,1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,0,0,0,0,0,0,1 %N A116937 Expansion of Pi^2 in base 2. %C A116937 One expects Pi^2 to be equidistributed, base 2, with an equal asymptotic density of 0 and 1 in this sequence; equal density of 00, 01, 10, 11. The first 100 decimal places here have, as binary, a run of 7 0's and a run of 9 1's. %F A116937 Pi^2 (base 2). %e A116937 1001.1101111 (base 2) ~ 9.8696 (base 10) ~ Pi^2. 100 decimal places precision here. %e A116937 See also: A000796 Decimal expansion of Pi. %e A116937 See also: A004601 Expansion of Pi in base 2. %t A116937 RealDigits[Pi^2, 2, 100][[1]] (* _Stefan Steinerberger_, Mar 30 2006 *) %Y A116937 Cf. A000796. Pi in various bases: A004601 to A004608, A000796, A068436 to A068440, A062964. Cf. A007514. %K A116937 base,cons,nonn %O A116937 1,1 %A A116937 _Jonathan Vos Post_, Mar 21 2006 %E A116937 Mathematica program modified by _Harvey P. Dale_, Apr 02 2019