A031493 n-th number k which in base 9 has one more 0's than 8's.

9, 18, 27, 36, 45, 54, 63, 82, 83, 84, 85, 86, 87, 88, 90, 99, 108, 117, 126, 135, 144, 163, 164, 165, 166, 167, 168, 169, 171, 180, 189, 198, 207, 216, 225, 244, 245, 246, 247, 248, 249, 250, 252, 261, 270, 279, 288, 297, 306, 325