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A038483 Sums of 4 distinct powers of 7. 2

%I #12 Jul 14 2022 05:49:57

%S 400,2458,2752,2794,2800,16864,17158,17200,17206,19216,19258,19264,

%T 19552,19558,19600,117706,118000,118042,118048,120058,120100,120106,

%U 120394,120400,120442,134464,134506,134512,134800,134806,134848,136858,136864,136906,137200,823600

%N Sums of 4 distinct powers of 7.

%H Amiram Eldar, <a href="/A038483/b038483.txt">Table of n, a(n) for n = 1..10000</a>

%t Sort[Plus @@@ Subsets[7^Range[0, 7], {4}]] (* _Amiram Eldar_, Jul 14 2022 *)

%Y Base-7 interpretation of A038446.

%Y Cf. A000420, A038481, A038482.

%K nonn,easy

%O 1,1

%A _Olivier GĂ©rard_

%E Offset corrected by _Amiram Eldar_, Jul 14 2022

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Last modified October 3 17:12 EDT 2023. Contains 365870 sequences. (Running on oeis4.)