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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 73 |
| 3 | 861 |
| 4 | 7993 |
| 5 | 8241 |
| 6 | 799993 |
| 7 | 7999993 |
| 8 | 44908500 |
| 9 | 82000041 |
| 10 | 293884500 |
| 11 | 6279090751 |
| 12 | 8200000041 |
| 13 | 62698513951 |
| 14 | 79999999993 |
| 15 | 82000000041 |
| 16 | 374665576800 |
| 17 | 597921764310 |
| 18 | 7999999999993 |
| 19 | 8200000000041 |
[1,73,861,7993,8241,799993,7999993,44908500, 82000041,293884500,6279090751,8200000041, 62698513951,79999999993,82000000041,374665576800, 597921764310,7999999999993,8200000000041] |