A003376 Numbers that are the sum of 9 positive 7th powers.

9, 136, 263, 390, 517, 644, 771, 898, 1025, 1152, 2195, 2322, 2449, 2576, 2703, 2830, 2957, 3084, 3211, 4381, 4508, 4635, 4762, 4889, 5016, 5143, 5270, 6567, 6694, 6821, 6948, 7075, 7202, 7329, 8753, 8880, 9007, 9134, 9261, 9388, 10939, 11066, 11193, 11320, 11447, 13125

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Examples

			From _David A. Corneth_, Aug 03 2020: (Start)
867374 is in the sequence as 867374 = 2^7 + 3^7 + 3^7 + 3^7 + 3^7 + 3^7 + 4^7 + 4^7 + 7^7.
1388047 is in the sequence as 1388047 = 1^7 + 1^7 + 2^7 + 2^7 + 3^7 + 3^7 + 6^7 + 6^7 + 7^7.
1688730 is in the sequence as 1688730 = 2^7 + 3^7 + 3^7 + 3^7 + 3^7 + 4^7 + 4^7 + 7^7 + 7^7. (End)
		

Links

• David A. Corneth, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A001015 (seventh powers).