A043195 Numbers n such that 2 and 3 occur juxtaposed in the base 9 representation of n but not of n-1.

21, 29, 102, 110, 183, 189, 261, 272, 345, 353, 426, 434, 507, 515, 588, 596, 669, 677, 750, 758, 831, 839, 912, 918, 990, 1001, 1074, 1082, 1155, 1163, 1236, 1244, 1317, 1325, 1398, 1406, 1479, 1487, 1560, 1568, 1641, 1647