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 A152627 #21 May 24 2021 07:41:03
%S A152627 7,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%T A152627 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%U A152627 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
%N A152627 Decimal expansion of 3/4.
%C A152627 This is also the expected distance from a randomly selected point in the unit sphere to its center. - _Derek Orr_, Jul 27 2014
%F A152627 Equals (sin(Pi/3))^2. - _Michel Marcus_, Sep 12 2020
%F A152627 Equals Sum_{k>=1} (zeta(2*k) - 1). - _Amiram Eldar_, May 24 2021
%e A152627 0.75000000000000000000000000000000000000000000000000000000000...
%t A152627 RealDigits[3/4, 10, 128][[1]] (* _Alonso del Arte_, Feb 16 2015 *)
%Y A152627 Cf. A019670 (Pi/3).
%K A152627 nonn,cons,easy
%O A152627 0,1
%A A152627 _N. J. A. Sloane_, Oct 30 2009