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