A121977 Numbers with a distinct frequency for each decimal digit.
100000000011111112222222333333444445555666778, 100000000011111112222222333333444445555666779, 100000000011111112222222333333444445555666787, 100000000011111112222222333333444445555666788, 100000000011111112222222333333444445555666797, 100000000011111112222222333333444445555666799, 100000000011111112222222333333444445555666877, 100000000011111112222222333333444445555666878
Offset: 1
Examples
100000000011111112222222333333444445555666778 has 9 0's, 8 1's, 7 2's, 6 3's, 5 4's, 4 5's, 3 6's, 2 7's, 1 8 and 0 9's. 121 is not in the sequence because there are eight digits it has zero of.