login
A286650
a(n) is the smallest number m such that the sum of the digits of m^4 is equal to n^4.
3
0, 1, 11, 1434, 1269681358
OFFSET
0,3
EXAMPLE
a(2) = 11 as 11^4 = 14641 is the smallest fourth power whose digit sum = 16 = 2^4.
PROG
(PARI) {a(n) = my(k=0); while(sumdigits(k^4) != n^4, k++); k}
CROSSREFS
Cf. A000583 (n^4), A055565 (sum of digits of n^4).
Sequence in context: A015484 A145185 A068896 * A015027 A160264 A351597
KEYWORD
nonn,base,more
AUTHOR
Seiichi Manyama, Aug 15 2017
STATUS
approved