A291266 Numbers that contain at least 3 identical digits.

111, 222, 333, 444, 555, 666, 777, 888, 999, 1000, 1011, 1101, 1110, 1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 1121, 1131, 1141, 1151, 1161, 1171, 1181, 1191, 1211, 1222, 1311, 1333, 1411, 1444, 1511, 1555, 1611, 1666, 1711, 1777, 1811, 1888, 1911, 1999, 2000, 2022, 2111, 2122, 2202, 2212, 2220, 2221, 2222, 2223

Offset: 1

Author

Enrique Navarrete, Aug 21 2017

Keywords

• nonn
• base

Programs

Mathematica

Select[Range[2500], Max[DigitCount[#]] > 2 &] (* Giovanni Resta, Aug 25 2017 *)