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%I #14 Oct 25 2014 08:09:16
%S 3,0,6,3,4,8,9,6,2,5,3,0,0,3,3,1,2,2,1,1,5,6,7,5,7,0,1,1,9,9,7,7,0,6,
%T 8,9,2,3,5,2,5,7,8,5,6,3,8,7,5,6,9,8,3,8,3,2,9,3,4,9,1,2,1,5,9,7,8,9,
%U 1,6,1,2,6,7,4,7,5,3,4,5,6,6,7,4,1,3,9,1,8,8,1,5,0,4,8,1,7,9,2,6,3,8,2,7,6
%N Decimal expansion of (2/Pi)log(phi), the exponential rate factor of golden spiral.
%C In polar coordinates (r,theta), a golden spiral equation is r~E^(c*theta), where c is this constant, with phi being the golden ratio (A001622).
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Golden_spiral">Golden spiral</a>
%e 0.3063489625300331221156757...
%t RealDigits[2 Log[ GoldenRatio]/Pi, 10, 111][[1]] (* _Robert G. Wilson v_, Oct 24 2014 *)
%Y Cf. A001622, A212224.
%K nonn,cons,easy
%O 0,1
%A _Stanislav Sykora_, May 06 2012
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