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

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Examples

			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)
		

Links

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

Crossrefs

Cf. A001017 (ninth powers).

Programs

Mathematica

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