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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 11 |
| 3 | 101 |
| 4 | 1019 |
| 5 | 10007 |
| 6 | 100043 |
| 7 | 1000003 |
| 8 | 10000019 |
| 9 | 100000007 |
| 10 | 1000000007 |
| 11 | 10000000019 |
| 12 | 100000000003 |
| 13 | 1000000000039 |
| 14 | 10000000000037 |
| 15 | 100000000000031 |
| 16 | 1000000000000037 |
| 17 | 10000000000000061 |
| 18 | 100000000000000003 |
| 19 | 1000000000000000003 |
| 20 | 10000000000000000051 |
[2,11,101,1019,10007,100043,1000003,10000019, 100000007,1000000007,10000000019,100000000003, 1000000000039,10000000000037,100000000000031, 1000000000000037,10000000000000061, 100000000000000003,1000000000000000003, 10000000000000000051] |