A004223 a(n) = 100*log_10(n) rounded to the nearest integer.
0, 30, 48, 60, 70, 78, 85, 90, 95, 100, 104, 108, 111, 115, 118, 120, 123, 126, 128, 130, 132, 134, 136, 138, 140, 141, 143, 145, 146, 148, 149, 151, 152, 153, 154, 156, 157, 158, 159, 160, 161, 162, 163, 164
Offset: 1