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