A048308 Numbers whose base-11 expansions, read from left to right, have run lengths that strictly increase.
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 121, 133, 145, 157, 169, 181, 193, 205, 217, 229, 241, 242, 254, 266, 278, 290, 302, 314, 326, 338, 350, 362, 363, 375, 387, 399, 411, 423, 435, 447, 459, 471, 483, 484, 496, 508, 520
Offset: 0