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A038445 Sums of 3 distinct powers of 10. 18

%I #12 Jul 12 2022 08:29:11

%S 111,1011,1101,1110,10011,10101,10110,11001,11010,11100,100011,100101,

%T 100110,101001,101010,101100,110001,110010,110100,111000,1000011,

%U 1000101,1000110,1001001,1001010,1001100,1010001,1010010,1010100,1011000,1100001,1100010,1100100

%N Sums of 3 distinct powers of 10.

%H Amiram Eldar, <a href="/A038445/b038445.txt">Table of n, a(n) for n = 1..10000</a>

%t Sort[Plus @@@ Subsets[10^Range[0, 6], {3}]] (* _Amiram Eldar_, Jul 12 2022 *)

%Y Cf. A011557.

%Y Cf. A038444, A038446, A038447, A038448, A038449, A038450, A038451, A038452, A038453, A038454.

%K nonn,easy

%O 1,1

%A _Olivier GĂ©rard_

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Last modified May 9 00:54 EDT 2024. Contains 372341 sequences. (Running on oeis4.)