n | a(n) |
---|---|
1 | 19 |
2 | 97 |
3 | 907 |
4 | 9001 |
5 | 90001 |
6 | 900001 |
7 | 9000011 |
8 | 90000049 |
9 | 900000011 |
10 | 9000000001 |
11 | 90000000019 |
12 | 900000000013 |
13 | 9000000000059 |
14 | 90000000000077 |
15 | 900000000000019 |
16 | 9000000000000007 |
17 | 90000000000000011 |
18 | 900000000000000017 |
[19,97,907,9001,90001,900001,9000011,90000049, 900000011,9000000001,90000000019,900000000013, 9000000000059,90000000000077,900000000000019, 9000000000000007,90000000000000011, 900000000000000017] |