n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 123 |
4 | 1234 |
5 | 12345 |
6 | 123456 |
7 | 1234567 |
8 | 12345678 |
9 | 123456789 |
10 | 1023456789 |
11 | 11023456789 |
12 | 101123456789 |
13 | 1011213456789 |
14 | 10112131456789 |
15 | 101121314156789 |
16 | 1011213141516789 |
17 | 10112131415161789 |
18 | 101121314151617189 |
[1,12,123,1234,12345,123456,1234567,12345678, 123456789,1023456789,11023456789,101123456789, 1011213456789,10112131456789,101121314156789, 1011213141516789,10112131415161789, 101121314151617189] |