n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 70 |
3 | 700 |
4 | 7000 |
5 | 70000 |
6 | 700000 |
7 | 7000000 |
8 | 70000000 |
9 | 700000000 |
10 | 7000000000 |
11 | 70000000000 |
12 | 700000000000 |
13 | 7000000000000 |
14 | 70000000000000 |
15 | 700000000000000 |
16 | 7000000000000000 |
17 | 70000000000000000 |
18 | 700000000000000000 |
19 | 7000000000000000000 |
20 | 70000000000000000000 |
[1,7,70,700,7000,70000,700000,7000000,70000000, 700000000,7000000000,70000000000,700000000000, 7000000000000,70000000000000,700000000000000, 7000000000000000,70000000000000000, 700000000000000000,7000000000000000000, 70000000000000000000] |