n | a(n) |
---|---|
0 | 11 |
1 | 191 |
2 | 1991 |
3 | 19991 |
4 | 199991 |
5 | 1999991 |
6 | 19999991 |
7 | 199999991 |
8 | 1999999991 |
9 | 19999999991 |
10 | 199999999991 |
11 | 1999999999991 |
12 | 19999999999991 |
13 | 199999999999991 |
14 | 1999999999999991 |
15 | 19999999999999991 |
16 | 199999999999999991 |
17 | 1999999999999999991 |
18 | 19999999999999999991 |
[11,191,1991,19991,199991,1999991,19999991, 199999991,1999999991,19999999991,199999999991, 1999999999991,19999999999991,199999999999991, 1999999999999991,19999999999999991, 199999999999999991,1999999999999999991, 19999999999999999991] |