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%I #21 Nov 19 2022 04:40:58
%S 3,0,3,6,5,8,8,9,7,1,8,7,5,6,6,2,5,1,9,4,2,0,8,0,9,5,7,8,5,0,5,6,6,9,
%T 6,3,5,5,8,1,4,5,3,9,7,7,2,4,8,1,1,1,1,2,3,2,4,2,1,4,1,6,5,4,1,6,9,1,
%U 7,7,2,6,8,4,1,1,8,8,4,9,6,1,7,7,0,2,5,0,3,9,0,8,3,8,0,9,7,8,9
%N Decimal expansion of cube root of 28.
%C Equals sqrt(2*sqrt(7*sqrt(2*sqrt(7*sqrt(2*sqrt(7)...))))). - _Zak Seidov_, Dec 19 2009
%H Vincenzo Librandi, <a href="/A010599/b010599.txt">Table of n, a(n) for n = 1..5000</a>
%e 3.0365889718756625194208095785056696355814539772481111232421416541691772684118...
%t RealDigits[N[28^(1/3),200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 09 2012 *)
%o (PARI) sqrtn(28,3) \\ _Charles R Greathouse IV_, Apr 14 2014
%Y Cf. A010257 (continued fraction).
%K nonn,cons
%O 1,1
%A _N. J. A. Sloane_
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