A394259 Minimum k such that k^8 can be expressed as the sum of n distinct positive 8th powers.

1409, 1167, 235, 255, 149, 119, 119, 109, 113, 103, 85, 95, 89, 91, 99, 95, 99, 93, 103, 99, 103, 105, 103, 115, 109, 110, 104, 100, 98, 88, 94, 90, 88, 86, 86, 84, 86, 84, 84, 84, 86, 86, 86, 86, 86, 86, 88, 88, 89, 90, 91, 92, 90, 94, 94, 95, 96, 98, 101

Offset

8,1

Links

Table of n, a(n) for n=8..66.

Zhining Yang, Sum of 6th powers (in Chinese).

Example

235^8 = 226^8+184^8+171^8+152^8+142^8+66^8+58^8+34^8+16^8+6^8 as no smaller 8th power could be written as sum of ten different 8th powers, so a(10)=235.

Crossrefs

Cf. A130012, A130022, A018935, A252476, A252486, A261572, A394979, A393280.

Sequence in context: A187957 A235906 A364184 * A204745 A204741 A237742

Adjacent sequences: A394256 A394257 A394258 * A394260 A394261 A394262

Keyword

nonn

Author

Zhao Hui Du, Apr 26 2026

Status

approved