OFFSET
1,2
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
FORMULA
a(m*10^(3k+1)) = a(m*10^(3k+2) = 0.
EXAMPLE
a(13) = 17, a(10) = 0.
MAPLE
f:= proc(n) local m, r, x;
m:= 10^(ilog10(n)+1);
r:= [msolve(x^3=n, m)];
if r = [] then 0 else min(map(t -> rhs(op(t)), r)) fi
end proc:
map(f, [$1..100]); # Robert Israel, Mar 05 2023
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 20 2002
EXTENSIONS
More terms from Sascha Kurz, Jan 07 2003
STATUS
approved