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A045219 Numbers whose base-5 representation contains no 1's and exactly two 2's. 0

%I #13 May 19 2023 20:16:02

%S 12,52,60,63,64,67,72,87,112,252,260,263,264,267,272,300,303,304,315,

%T 318,319,320,323,324,327,335,338,339,342,347,352,360,363,364,367,372,

%U 387,427,435,438,439,442,447,462,487,512,552

%N Numbers whose base-5 representation contains no 1's and exactly two 2's.

%t Select[Range[600],DigitCount[#,5,1]==0&&DigitCount[#,5,2]==2&] (* _Harvey P. Dale_, Aug 08 2020 *)

%Y Cf. A007091.

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)