n | a(n) |
---|---|
1 | 181 |
2 | 18181 |
3 | 78887 |
4 | 1880881 |
5 | 9888889 |
6 | 188868881 |
7 | 188888881 |
8 | 18888588881 |
9 | 1488888888841 |
10 | 7888886888887 |
11 | 3888888888883 |
12 | 188888858888881 |
13 | 188888888888881 |
14 | 38888888088888883 |
15 | 1688888888888888861 |
16 | 3888888882888888883 |
17 | 128888888888888888821 |
[181,18181,78887,1880881,9888889,188868881, 188888881,18888588881,1488888888841,7888886888887, 3888888888883,188888858888881,188888888888881, 38888888088888883,1688888888888888861, 3888888882888888883,128888888888888888821] |