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A045174 Numbers whose base-5 representation contains no 0's and exactly two 2's. 0

%I #13 May 21 2023 00:21:17

%S 12,37,57,61,63,64,67,72,87,112,162,182,186,188,189,192,197,212,237,

%T 282,286,288,289,292,297,306,308,309,316,318,319,321,323,324,332,336,

%U 338,339,342,347,357,361,363,364,367,372,412,432

%N Numbers whose base-5 representation contains no 0's and exactly two 2's.

%t Select[Range[500],DigitCount[#,5,0]==0&&DigitCount[#,5,2]==2&] (* _Harvey P. Dale_, Dec 02 2021 *)

%Y Cf. A007091.

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified September 16 08:55 EDT 2024. Contains 375959 sequences. (Running on oeis4.)