OFFSET
1,3
COMMENTS
All terms == 0, 1 or 8 (mod 9). - Robert Israel, Sep 07 2020
LINKS
Robert Israel, Table of n, a(n) for n = 1..5500
EXAMPLE
62^3 = 238328 and 23+8+3+28 = 62.
MAPLE
F:= proc(n, t) local d; option remember;
if n = t then return true fi;
if n < t then return false fi;
for d from 1 to min(ilog10(t)+1, ilog10(n)+1) do
if procname(floor(n/10^d), t - (n mod 10^d)) then return true fi
od;
false
end proc:
A:=select(t -> F(t^3, t), [$0..1000]); # Robert Israel, Sep 07 2020
CROSSREFS
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
Offset changed by Robert Israel, Sep 07 2020
STATUS
approved