OFFSET
1,3
LINKS
Ivan Panchenko, Table of n, a(n) for n = 1..1000
Sequences related to the decimal expansion of the n-th root of x, OEIS Index, Aug. 2017
MATHEMATICA
RealDigits[Surd[21, 21], 10, 120][[1]] (* Harvey P. Dale, Mar 14 2013 *)
PROG
(PARI) sqrtn(21, 21) \\ M. F. Hasler, Aug 26 2017
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
STATUS
approved