OFFSET
1,3
LINKS
Ivan Panchenko, Table of n, a(n) for n = 1..1000
MATHEMATICA
RealDigits[Power[4, (15)^-1], 10, 120][[1]] (* Harvey P. Dale, Apr 21 2011 *)
PROG
(PARI) sqrtn(4, 15) \\ Michel Marcus, Sep 04 2014
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
STATUS
approved