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A043393 Numbers whose base-7 representation contains exactly one 0. 0

%I #15 Apr 23 2023 21:58:02

%S 7,14,21,28,35,42,50,51,52,53,54,55,56,63,70,77,84,91,99,100,101,102,

%T 103,104,105,112,119,126,133,140,148,149,150,151,152,153,154,161,168,

%U 175,182,189,197,198,199,200,201,202,203,210

%N Numbers whose base-7 representation contains exactly one 0.

%t Select[Range[250],DigitCount[#,7,0]==1&] (* _Harvey P. Dale_, Sep 26 2019 *)

%Y Cf. A007093.

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified March 3 16:49 EST 2024. Contains 370512 sequences. (Running on oeis4.)