A039558 Numbers n such that representation in base 12 has 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