A033283 Numbers whose maximal base-10 run length is 2.
11, 22, 33, 44, 55, 66, 77, 88, 99, 100, 110, 112, 113, 114, 115, 116, 117, 118, 119, 122, 133, 144, 155, 166, 177, 188, 199, 200, 211, 220, 221, 223, 224, 225, 226, 227, 228, 229, 233, 244, 255, 266, 277, 288, 299, 300, 311, 322
Offset: 1