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A045214 Numbers whose base-5 representation contains exactly three 0's and no 4's. 0

%I #15 May 21 2023 00:19:36

%S 125,250,375,626,627,628,630,635,640,650,675,700,750,875,1000,1251,

%T 1252,1253,1255,1260,1265,1275,1300,1325,1375,1500,1625,1876,1877,

%U 1878,1880,1885,1890,1900,1925,1950,2000,2125,2250

%N Numbers whose base-5 representation contains exactly three 0's and no 4's.

%C Subset of A031473. - _R. J. Mathar_, Oct 20 2008

%t Select[Range[2500],DigitCount[#,5,0]==3&&DigitCount[#,5,4]==0&] (* _Harvey P. Dale_, May 25 2016 *)

%Y Cf. A007091.

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)