A011214 Decimal expansion of 20th root of 5.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Programs

Mathematica

RealDigits[N[5^(1/20),200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jan 25 2012 *)
RealDigits[Surd[5,20],10,120][[1]] (* Harvey P. Dale, Jun 07 2016 *)

PARI

sqrtn(5,20) \\ Charles R Greathouse IV, Apr 15 2014