n | a(n) |
---|---|
1 | 5 |
2 | 11 |
3 | 151 |
4 | 1151 |
5 | 11551 |
6 | 115151 |
7 | 1111151 |
8 | 15511151 |
9 | 111151511 |
10 | 1111115111 |
11 | 11111151551 |
12 | 111111111511 |
13 | 1111111155151 |
14 | 11111111511151 |
15 | 111111111155111 |
16 | 1111111111155151 |
17 | 11111111111115151 |
18 | 111111111115151551 |
[5,11,151,1151,11551,115151,1111151,15511151, 111151511,1111115111,11111151551,111111111511, 1111111155151,11111111511151,111111111155111, 1111111111155151,11111111111115151, 111111111115151551] |