A039558 Numbers whose base-12 representation has the same nonzero number of 10's and 11's.

131, 142, 275, 286, 419, 430, 563, 574, 707, 718, 851, 862, 995, 1006, 1139, 1150, 1283, 1294, 1427, 1438, 1451, 1463, 1475, 1487, 1499, 1511, 1523, 1535, 1547, 1559, 1572, 1573, 1574, 1575, 1576, 1577, 1578, 1579, 1580, 1581, 1594, 1606

Offset: 1

Author

Olivier Gérard

Keywords

• nonn
• base
• easy

Programs

Mathematica

Select[Range[2000],DigitCount[#,12,10]==DigitCount[#,12,11]>0&] (* Harvey P. Dale, Nov 03 2024 *)