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Sums of 3 distinct powers of 5.
5

%I #9 Jul 13 2022 05:57:34

%S 31,131,151,155,631,651,655,751,755,775,3131,3151,3155,3251,3255,3275,

%T 3751,3755,3775,3875,15631,15651,15655,15751,15755,15775,16251,16255,

%U 16275,16375,18751,18755,18775,18875,19375,78131,78151,78155,78251,78255,78275,78751

%N Sums of 3 distinct powers of 5.

%H Amiram Eldar, <a href="/A038475/b038475.txt">Table of n, a(n) for n = 1..10000</a>

%t Sort[Plus @@@ Subsets[5^Range[0, 7], {3}]] (* _Amiram Eldar_, Jul 13 2022 *)

%Y Base 5 interpretation of A038445.

%Y Cf. A000351, A038474, A038476, A038477.

%K nonn,easy

%O 1,1

%A _Olivier GĂ©rard_

%E Offset corrected by _Amiram Eldar_, Jul 13 2022