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A010770
Decimal expansion of 8th root of 2.
2
1, 0, 9, 0, 5, 0, 7, 7, 3, 2, 6, 6, 5, 2, 5, 7, 6, 5, 9, 2, 0, 7, 0, 1, 0, 6, 5, 5, 7, 6, 0, 7, 0, 7, 9, 7, 8, 9, 9, 2, 7, 0, 2, 7, 1, 8, 5, 4, 0, 0, 6, 7, 1, 2, 1, 7, 8, 5, 6, 6, 7, 6, 4, 7, 6, 8, 3, 3, 0, 0, 5, 3, 0, 8, 4, 8, 8, 4, 1, 8, 4, 0, 3, 3, 8, 2, 1, 1, 1, 4, 0, 4, 9, 4, 2, 0, 3, 1, 1
OFFSET
1,3
LINKS
FORMULA
Equals Product_{k>=0} (1 + (-1)^k/(8*k + 7)). - Amiram Eldar, Jul 29 2020
MATHEMATICA
RealDigits[N[2^(1/8), 100]][[1]] (* Vincenzo Librandi, Apr 02 2013 *)
PROG
(PARI) sqrtn(2, 8) \\ Charles R Greathouse IV, Apr 15 2014
CROSSREFS
Sequence in context: A301865 A370705 A309605 * A021921 A374751 A247718
KEYWORD
nonn,cons
AUTHOR
STATUS
approved