A045195 - OEIS

%I #13 May 21 2023 00:20:25

%S 25,50,100,126,127,129,130,135,145,150,175,225,251,252,254,255,260,

%T 270,275,300,350,501,502,504,505,510,520,525,550,600,631,632,634,636,

%U 637,639,646,647,649,651,652,654,655,660,670,676

%N Numbers whose base-5 representation contains exactly two 0's and no 3's.

%t Select[Range[700],DigitCount[#,5,0]==2&&DigitCount[#,5,3]==0&] (* _Harvey P. Dale_, Dec 14 2022 *)

%Y Cf. A007091.

%K nonn,base

%O 1,1

%A _Clark Kimberling_