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Sums of 3 distinct powers of 9.
2

%I #11 Jul 14 2022 05:52:55

%S 91,739,811,819,6571,6643,6651,7291,7299,7371,59059,59131,59139,59779,

%T 59787,59859,65611,65619,65691,66339,531451,531523,531531,532171,

%U 532179,532251,538003,538011,538083,538731,590491,590499,590571,591219,597051,4782979,4783051

%N Sums of 3 distinct powers of 9.

%H Amiram Eldar, <a href="/A038488/b038488.txt">Table of n, a(n) for n = 1..10000</a>

%t Sort[Plus @@@ Subsets[9^Range[0, 6], {3}]] (* _Amiram Eldar_, Jul 14 2022 *)

%Y Base-9 interpretation of A038445.

%Y Cf. A001019, A038487, A038489.

%K nonn,easy

%O 1,1

%A _Olivier GĂ©rard_

%E Offset corrected by _Amiram Eldar_, Jul 14 2022