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%I #12 Aug 26 2017 21:26:13
%S 1,1,5,6,0,1,3,2,8,1,0,0,0,8,0,3,2,7,2,6,9,5,3,9,7,0,8,0,8,9,5,1,0,7,
%T 1,3,2,1,4,1,3,1,3,6,5,6,8,7,6,6,7,6,8,5,4,9,4,1,8,1,6,1,7,9,4,0,0,7,
%U 6,3,0,6,7,6,6,0,9,0,8,9,5,6,1,0,4,5,3,4,4,6,1,1,1,9,8,7,6,6,9
%N Decimal expansion of 21st root of 21.
%H Ivan Panchenko, <a href="/A011440/b011440.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[Surd[21,21],10,120][[1]] (* _Harvey P. Dale_, Mar 14 2013 *)
%o (PARI) sqrtn(21,21) \\ _M. F. Hasler_, Aug 26 2017
%Y Cf. A011200 ... A011439 (n-th root of x = 5..20, with n = 6..20), A011441 ... A011519 (n-th root of n = 22, ..., 100).
%K nonn,cons
%O 1,3
%A _N. J. A. Sloane_.
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