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%I #19 Oct 01 2022 13:59:31
%S 2,3,9,9,9,6,3,2,2,9,7,2,8,6,5,3,3,2,2,2,3,1,5,5,5,5,0,6,6,3,3,6,1,3,
%T 8,5,3,1,2,4,9,9,9,0,1,1,0,5,8,1,1,5,0,4,2,9,3,5,1,1,2,7,5,0,7,3,1,3,
%U 0,7,3,3,8,2,3,9,4,3,8,7,9,0,7,7,9,9,6,2,0,6,0,6,6,0,5,8,3,9,6,3,7,3,1,3,7
%N Decimal expansion of golden angle in radians: (4-2*phi)*Pi.
%H Pedro J. Freitas, <a href="https://arxiv.org/abs/2101.10818">The Golden Angle is not Constructible</a>, arXiv:2101.10818 [math.HO], 2021.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GoldenAngle.html">Golden Angle</a>.
%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F Equals (3-sqrt(5))*Pi = A096627*(Pi/180) = A096627*A019685.
%e 2.399963229728653322231555506633...
%t RealDigits[GoldenAngle, 10, 100][[1]] (* _Amiram Eldar_, Jun 09 2021 *)
%o (PARI) default(realprecision,200); (3-sqrt(5))*Pi
%Y Cf. A000796, A001622, A019685, A096627.
%K cons,nonn
%O 1,1
%A _Rick L. Shepherd_, Aug 05 2007
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