n | a(n) |
---|---|
1 | 7 |
2 | 887 |
3 | 8887 |
4 | 888887 |
5 | 888888887 |
6 | 888888888887 |
7 | 888888888888888888888888888888888888888888888888888888888888888888888887 |
[7,887,8887,888887,888888887,888888888887, 88888888888888888888888888888888888888888888888888\ 8888888888888888888887] |