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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 1001 |
| 3 | 100001 |
| 4 | 10000001 |
| 5 | 1000000001 |
| 6 | 100000000001 |
| 7 | 10000000000001 |
| 8 | 1000000000000001 |
| 9 | 100000000000000001 |
| 10 | 10000000000000000001 |
| 11 | 1000000000000000000001 |
| 12 | 100000000000000000000001 |
[11,1001,100001,10000001,1000000001,100000000001, 10000000000001,1000000000000001, 100000000000000001,10000000000000000001, 1000000000000000000001,100000000000000000000001] |