A031110 a(n)=least k such that base 9 representation of n begins at s(k), where s=A031100.

1, 8, 2, 10, 3, 12, 4, 14, 5, 92, 7, 1, 9, 99, 11, 102, 13, 105, 8, 108, 17, 111, 19, 114, 21, 117, 23, 97, 18, 123, 27, 2, 29, 129, 31, 132, 10, 135, 28, 138, 37, 141, 39, 144, 41, 100, 20, 150, 38, 153, 47, 3, 49, 159, 12, 162, 30, 165