A045182 - OEIS

%I #13 May 21 2023 00:21:34

%S 252,260,300,637,677,685,877,885,925,1257,1261,1263,1264,1267,1272,

%T 1277,1285,1301,1303,1304,1305,1315,1320,1327,1335,1352,1360,1377,

%U 1385,1425,1501,1503,1504,1505,1515,1520,1525,1575

%N Numbers whose base-5 representation contains exactly two 0's and two 2's.

%t Select[Range[1600],DigitCount[#,5,0]==DigitCount[#,5,2]==2&] (* _Harvey P. Dale_, Aug 08 2017 *)

%Y Cf. A007091.

%K nonn,base

%O 1,1

%A _Clark Kimberling_