OFFSET
1,1
LINKS
Ivan Panchenko, Table of n, a(n) for n = 1..1000
EXAMPLE
2.114742526881128239070074...
MATHEMATICA
RealDigits[20^(1/4), 10, 100][[1]] (* Alonso del Arte, Feb 20 2015 *)
PROG
(PARI) sqrtn(20, 4) \\ Charles R Greathouse IV, Apr 15 2014
CROSSREFS
KEYWORD
AUTHOR
STATUS
approved