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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 13 |
| 3 | 107 |
| 4 | 1021 |
| 5 | 10061 |
| 6 | 100069 |
| 7 | 1000117 |
| 8 | 10000189 |
| 9 | 100000193 |
| 10 | 1000000181 |
| 11 | 10000000259 |
| 12 | 100000000193 |
| 13 | 1000000000303 |
| 14 | 10000000000411 |
| 15 | 100000000000487 |
| 16 | 1000000000000513 |
| 17 | 10000000000000931 |
| 18 | 100000000000000591 |
| 19 | 1000000000000000861 |
| 20 | 10000000000000000667 |
[2,13,107,1021,10061,100069,1000117,10000189, 100000193,1000000181,10000000259,100000000193, 1000000000303,10000000000411,100000000000487, 1000000000000513,10000000000000931, 100000000000000591,1000000000000000861, 10000000000000000667] |