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Numbers whose base-3 representation contains exactly one 0 and two 2's.
1

%I #13 Aug 04 2023 10:13:01

%S 20,24,35,47,51,59,61,65,69,73,75,98,104,106,116,128,132,140,142,146,

%T 150,154,156,176,178,184,194,196,200,204,208,210,220,226,228,287,293,

%U 295,311,313,319,341,347,349,359,371,375,383

%N Numbers whose base-3 representation contains exactly one 0 and two 2's.

%H Paolo Xausa, <a href="/A044996/b044996.txt">Table of n, a(n) for n = 1..1000</a>

%t A044996list[upto_]:=Select[Range[upto],DigitCount[#,3,0]==1&&DigitCount[#,3,2]==2&];A044996list[1000] (* _Paolo Xausa_, Aug 04 2023 *)

%Y Cf. A007089.

%K nonn,base

%O 1,1

%A _Clark Kimberling_