A286650 a(n) is the smallest number m such that the sum of the digits of m^4 is equal to n^4.

0, 1, 11, 1434, 1269681358

Offset: 0

Author

Seiichi Manyama, Aug 15 2017

Keywords

• nonn
• base
• more

Examples

			a(2) = 11 as 11^4 = 14641 is the smallest fourth power whose digit sum = 16 = 2^4.
		

Crossrefs

Cf. A061912, A067075, A069648, A291145.

Cf. A000583 (n^4), A055565 (sum of digits of n^4).

Programs

PARI

{a(n) = my(k=0); while(sumdigits(k^4) != n^4, k++); k}