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Decimal expansion of 11th root of 2.
1

%I #19 Jul 29 2020 03:13:29

%S 1,0,6,5,0,4,1,0,8,9,4,3,9,9,6,2,6,7,8,1,9,0,5,9,2,5,9,5,3,9,8,2,0,4,

%T 4,9,0,0,9,2,3,2,8,8,8,6,5,1,0,5,8,4,8,1,1,0,1,9,9,1,4,7,4,7,4,5,6,6,

%U 0,1,9,0,0,1,7,0,4,2,2,8,8,9,1,3,2,8,2,8,0,4,8,7,4,2,6,2,4,9,0

%N Decimal expansion of 11th root of 2.

%H Vincenzo Librandi, <a href="/A010773/b010773.txt">Table of n, a(n) for n = 1..5000</a>

%F Equals Product_{k>=0} (1 + (-1)^k/(11*k + 10)). - _Amiram Eldar_, Jul 29 2020

%t RealDigits[Surd[2,11],10,120][[1]] (* _Harvey P. Dale_, Feb 04 2013 *)

%o (PARI) sqrtn(2,11) \\ _Charles R Greathouse IV_, Apr 15 2014

%K nonn,cons

%O 1,3

%A _N. J. A. Sloane_