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A003360 Numbers that are the sum of 4 positive 6th powers. 31

%I

%S 4,67,130,193,256,732,795,858,921,1460,1523,1586,2188,2251,2916,4099,

%T 4162,4225,4288,4827,4890,4953,5555,5618,6283,8194,8257,8320,8922,

%U 8985,9650,12289,12352,13017,15628,15691,15754,15817,16356,16384,16419,16482,17084,17147,17812

%N Numbers that are the sum of 4 positive 6th powers.

%H David A. Corneth, <a href="/A003360/b003360.txt">Table of n, a(n) for n = 1..10000</a> (first 1000 terms from T. D. Noe)

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

%e 7875074 is in the sequence as 7875074 = 5^6 + 6^6 + 12^6 + 13^6.

%e 12770418 is in the sequence as 12770418 = 7^6 + 8^6 + 10^6 + 15^6.

%e 20763201 is in the sequence as 20763201 = 1^6 + 10^6 + 12^6 + 16^6. (End)

%t Reap[For[n = 1, n <= 20000, n++, If[AnyTrue[PowersRepresentations[n, 4, 6], First[#] > 0&], Print[n]; Sow[n]]]][[2, 1]] (* _Jean-Fran├žois Alcover_, Jul 18 2017 *)

%Y Cf. A001014 (sixth powers).

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_

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Last modified March 7 06:47 EST 2021. Contains 341868 sequences. (Running on oeis4.)