n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 123 |
4 | 1234 |
5 | 12345 |
6 | 123456 |
7 | 1234567 |
8 | 12345678 |
9 | 123456789 |
10 | 1234567891 |
11 | 12345678910 |
12 | 123456789101 |
13 | 1234567891011 |
14 | 12345678910111 |
15 | 123456789101112 |
16 | 1234567891011121 |
17 | 12345678910111213 |
18 | 123456789101112131 |
19 | 1234567891011121314 |
[1,12,123,1234,12345,123456,1234567,12345678, 123456789,1234567891,12345678910,123456789101, 1234567891011,12345678910111,123456789101112, 1234567891011121,12345678910111213, 123456789101112131,1234567891011121314] |