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%I #17 Dec 27 2021 22:06:01
%S 1,1,6,1,5,8,6,3,4,9,6,4,1,5,4,2,2,8,1,8,0,8,7,2,1,2,2,4,2,4,5,6,7,6,
%T 8,4,3,4,5,5,4,3,6,6,3,8,1,9,0,7,2,9,7,7,5,8,4,4,4,6,6,4,2,8,4,1,5,5,
%U 2,0,2,3,3,3,0,0,2,0,2,2,8,6,6,0,6,2,0,2,4,2,3,9,4,2,8,3,2,2,0
%N Decimal expansion of 20th root of 20.
%H Ivan Panchenko, <a href="/A011439/b011439.txt">Table of n, a(n) for n = 1..1000</a>
%H <a href="/index/Ro#roots">Sequences related to the decimal expansion of the n-th root of x</a>, OEIS Index, Aug. 2017
%t RealDigits[N[20^(1/20),200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Jan 26 2012 *)
%o (PARI) sqrtn(20,20) \\ _M. F. Hasler_, Aug 26 2017
%Y Cf. A011200 ... A011424 (n-th root of x=5..19, with n=6..20); A011425 ... A011438 (n-th root of 20, with n=6, ..., 19) ; A011440 ... A011519 (n-th root of n = 21, ..., 100).
%K nonn,cons
%O 1,3
%A _N. J. A. Sloane_