%I #14 Aug 21 2023 10:31:14
%S 7,3,2,0,5,0,8,0,7,5,6,8,8,7,7,2,9,3,5,2,7,4,4,6,3,4,1,5,0,5,8,7,2,3,
%T 6,6,9,4,2,8,0,5,2,5,3,8,1,0,3,8,0,6,2,8,0,5,5,8,0,6,9,7,9,4,5,1,9,3,
%U 3,0,1,6,9,0,8,8,0,0,0,3,7,0,8,1,1,4,6,1,8,6,7,5,7,2,4,8,5,7,5,6,7,5,6,2,6
%N Decimal expansion of sqrt(3) - 1.
%C Continued fraction expansion leads to the ternary digital root of n.
%H Harry J. Smith, <a href="/A160390/b160390.txt">Table of n, a(n) for n = 0..20000</a>
%H <a href="/index/Al#algebraic_02">Index entries for algebraic numbers, degree 2</a>
%e 0.732050807568877293527446341505872366942805253810380628055806979451933...
%t RealDigits[Sqrt[3]-1,10,120][[1]] (* _Harvey P. Dale_, Dec 16 2016 *)
%o (PARI) default(realprecision, 20080); x=10*(sqrt(3)-1); for (n=0, 20000, d=floor(x); x=(x-d)*10; write("b160390.txt", n, " ", d));
%o (Magma) SetDefaultRealField(RealField(100)); Sqrt(3) -1; // _G. C. Greubel_, Nov 20 2018
%o (Sage) numerical_approx(sqrt(3) -1, digits=100) # _G. C. Greubel_, Nov 20 2018
%Y Cf. A134451 (continued fraction).
%K nonn,cons
%O 0,1
%A _Harry J. Smith_, May 31 2009