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A010777 Decimal expansion of 15th root of 2. 2
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, 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, 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 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..5000

FORMULA

Equals Product_{k>=0} (1 + (-1)^k/(15*k + 14)). - Amiram Eldar, Aug 01 2020

MATHEMATICA

RealDigits[N[2^(1/15), 100]][[1]] (* Vincenzo Librandi, Apr 02 2013 *)

PROG

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

CROSSREFS

Sequence in context: A194160 A154466 A096316 * A336050 A103887 A167046

Adjacent sequences:  A010774 A010775 A010776 * A010778 A010779 A010780

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified March 5 11:57 EST 2021. Contains 341823 sequences. (Running on oeis4.)