A003395 Numbers that are the sum of 6 positive 9th powers.

6, 517, 1028, 1539, 2050, 2561, 3072, 19688, 20199, 20710, 21221, 21732, 22243, 39370, 39881, 40392, 40903, 41414, 59052, 59563, 60074, 60585, 78734, 79245, 79756, 98416, 98927, 118098, 262149, 262660, 263171, 263682, 264193, 264704, 281831, 282342, 282853, 283364, 283875

Offset

1,1

Links

David A. Corneth, Table of n, a(n) for n = 1..10000 (first 1000 terms from Harvey P. Dale)

Example

From David A. Corneth, Aug 03 2020: (Start)
205066567 is in the sequence as 205066567 = 4^9 + 6^9 + 6^9 + 6^9 + 7^9 + 8^9.
565898075 is in the sequence as 565898075 = 1^9 + 5^9 + 5^9 + 7^9 + 8^9 + 9^9.
1508481311 is in the sequence as 1508481311 = 1^9 + 7^9 + 7^9 + 7^9 + 9^9 + 10^9. (End)

Mathematica

With[{nn=4}, Select[Total/@Tuples[Range[nn]^9, 6]//Union, #<(nn+1)^9+5&]] (* Harvey P. Dale, Apr 28 2018 *)

Crossrefs

Cf. A001017 (ninth powers).

Sequence in context: A364482 A365926 A250391 * A222607 A000411 A180431

Adjacent sequences: A003392 A003393 A003394 * A003396 A003397 A003398

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved