A045210 - OEIS

%I #13 May 21 2023 00:19:23

%S 25,50,75,126,127,128,130,135,140,150,175,200,251,252,253,255,260,265,

%T 275,300,325,376,377,378,380,385,390,400,425,450,631,632,633,636,637,

%U 638,641,642,643,651,652,653,655,660,665,676

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

%t Select[Range[700],DigitCount[#,5,0]==2&&DigitCount[#,5,4]==0&] (* _Harvey P. Dale_, Apr 04 2015 *)

%Y Cf. A007091.

%K nonn,base

%O 1,1

%A _Clark Kimberling_