A039447 - OEIS

%I #13 Jun 30 2021 04:31:11

%S 110,131,231,252,352,373,473,494,594,615,715,736,836,857,957,978,1078,

%T 1099,1199,1211,1212,1213,1214,1215,1216,1217,1218,1219,1221,1232,

%U 1243,1254,1265,1276,1287,1298,1309,1352,1363,1374,1385,1396,1407

%N Numbers whose base-11 representation has the same nonzero number of 0's and 10's.

%t Select[Range[1500],DigitCount[#,11,0]==DigitCount[#,11,10]>0&] (* _Harvey P. Dale_, Jun 23 2017 *)

%K nonn,base,easy

%O 1,1

%A _Olivier Gérard_