A164881 Inverse of A164844.
1, 10, 1, 100, 9, 1, 1000, 91, 8, 1, 10000, 909, 83, 7, 1, 100000, 9091, 826, 76, 6, 1, 1000000, 90909, 8265, 750, 70, 5, 1, 10000000, 909091, 82644, 7515, 680, 65, 4, 1
Offset: 1
Examples
1 10,1 100,9,1 1000,91,8,1 10000,909,83,7,1 100000,9091,826,76,6,1 1000000,90909,8265,750,70,5,1 10000000,909091,82644,7515,680,65,4,1