A048306 Numbers whose base-9 expansions, read from left to right, have run lengths that strictly increase.
0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 20, 30, 40, 50, 60, 70, 80, 81, 91, 101, 111, 121, 131, 141, 151, 161, 162, 172, 182, 192, 202, 212, 222, 232, 242, 243, 253, 263, 273, 283, 293, 303, 313, 323, 324, 334, 344, 354, 364, 374, 384, 394, 404, 405, 415, 425, 435, 445
Offset: 0