A010778 Decimal expansion of 16th root of 2.

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, 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, 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

Offset

1,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..5000 (a(5000) corrected by Sean A. Irvine)

Formula

Equals Product_{k>=0} (1 + (-1)^k/(16*k + 15)). - Amiram Eldar, Aug 01 2020

Mathematica

RealDigits[N[2^(1/16), 100]][[1]] (* Vincenzo Librandi, Apr 02 2013 *)

Prog

(PARI) sqrtn(2, 16) \\ Charles R Greathouse IV, Apr 15 2014

Crossrefs

Sequence in context: A242053 A007525 A151966 * A202322 A365797 A232523

Adjacent sequences: A010775 A010776 A010777 * A010779 A010780 A010781

Keyword

nonn,cons

Author

N. J. A. Sloane.

Status

approved