%I #18 Feb 28 2023 15:32:20
%S 1,0,4,4,2,7,3,7,8,2,4,2,7,4,1,3,8,4,0,3,2,1,9,6,6,4,7,8,7,3,9,9,2,9,
%T 0,0,8,7,8,4,6,0,3,1,2,9,6,6,2,7,1,3,3,2,2,0,1,7,9,9,7,7,8,4,7,5,4,3,
%U 2,1,7,3,5,1,4,4,7,7,8,6,6,3,8,9,5,2,8,6,5,8,6,2,4,6,7,5,8,4,3
%N Decimal expansion of 16th root of 2.
%H Vincenzo Librandi, <a href="/A010778/b010778.txt">Table of n, a(n) for n = 1..5000</a> (a(5000) corrected by _Sean A. Irvine_)
%F Equals Product_{k>=0} (1 + (-1)^k/(16*k + 15)). - _Amiram Eldar_, Aug 01 2020
%t RealDigits[N[2^(1/16), 100]][[1]] (* _Vincenzo Librandi_, Apr 02 2013 *)
%o (PARI) sqrtn(2,16) \\ _Charles R Greathouse IV_, Apr 15 2014
%K nonn,cons
%O 1,3
%A _N. J. A. Sloane_.