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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 19 |
| 3 | 109 |
| 4 | 1009 |
| 5 | 10009 |
| 6 | 100019 |
| 7 | 1000159 |
| 8 | 10001569 |
| 9 | 100001569 |
| 10 | 1000015069 |
| 11 | 10000135069 |
| 12 | 100001350649 |
| 13 | 1000013500649 |
| 14 | 10000130500649 |
| 15 | 100001303500649 |
| 16 | 1000013032500649 |
| 17 | 10000103032500649 |
| 18 | 100001030325003649 |
| 19 | 1000010130325003649 |
| 20 | 10000101303250036493 |
[9,19,109,1009,10009,100019,1000159,10001569, 100001569,1000015069,10000135069,100001350649, 1000013500649,10000130500649,100001303500649, 1000013032500649,10000103032500649, 100001030325003649,1000010130325003649, 10000101303250036493] |