A044054 Numbers n such that string 0,2 occurs in the base 3 representation of n but not of n-1.

11, 20, 29, 33, 38, 47, 56, 60, 65, 74, 83, 87, 92, 99, 110, 114, 119, 128, 137, 141, 146, 155, 164, 168, 173, 180, 191, 195, 200, 209, 218, 222, 227, 236, 245, 249, 254, 261, 272, 276, 281, 290, 297, 326, 330, 335, 342, 353, 357