OFFSET
0,3
EXAMPLE
a(2) = 47 as 47^5 = 229345007 is the smallest fifth power whose digit sum = 32 = 2^5.
PROG
(PARI) {a(n) = my(k=0); while(sumdigits(k^5) != n^5, k++); k}
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
Seiichi Manyama, Oct 14 2019
STATUS
approved