This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A010777 #18 Jul 08 2025 01:45:29
%S A010777 1,0,4,7,2,9,4,1,2,2,8,2,0,6,2,6,7,1,7,8,9,1,5,9,7,0,1,2,0,9,0,9,6,8,
%T A010777 5,7,7,1,1,3,0,7,7,8,8,2,8,0,7,3,4,1,2,5,1,1,1,7,4,8,1,8,1,2,2,4,6,1,
%U A010777 0,2,2,9,2,8,5,4,3,5,4,7,9,7,6,7,6,4,9,3,2,9,2,1,9,6,0,1,8,0,7
%N A010777 Decimal expansion of 15th root of 2.
%H A010777 Vincenzo Librandi, <a href="/A010777/b010777.txt">Table of n, a(n) for n = 1..5000</a>
%F A010777 Equals Product_{k>=0} (1 + (-1)^k/(15*k + 14)). - _Amiram Eldar_, Aug 01 2020
%t A010777 RealDigits[N[2^(1/15), 100]][[1]] (* _Vincenzo Librandi_, Apr 02 2013 *)
%t A010777 RealDigits[Surd[2,15],10,120][[1]] (* _Harvey P. Dale_, Oct 09 2023 *)
%o A010777 (PARI) sqrtn(2,15) \\ _Charles R Greathouse IV_, Apr 15 2014
%K A010777 nonn,cons
%O A010777 1,3
%A A010777 _N. J. A. Sloane_