OFFSET
1,3
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..5000
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
KEYWORD
nonn,cons
AUTHOR
STATUS
approved