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 A003376 Numbers that are the sum of 9 positive 7th powers. 31

%I

%S 9,136,263,390,517,644,771,898,1025,1152,2195,2322,2449,2576,2703,

%T 2830,2957,3084,3211,4381,4508,4635,4762,4889,5016,5143,5270,6567,

%U 6694,6821,6948,7075,7202,7329,8753,8880,9007,9134,9261,9388,10939,11066,11193,11320,11447,13125

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

%H David A. Corneth, <a href="/A003376/b003376.txt">Table of n, a(n) for n = 1..10000</a>

%e From _David A. Corneth_, Aug 03 2020: (Start)

%e 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.

%e 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.

%e 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)

%Y Cf. A001015 (seventh powers).

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_

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Last modified April 15 02:27 EDT 2021. Contains 342974 sequences. (Running on oeis4.)