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| n | a(n) |
|---|---|
| 1 | 10123457689 |
| 2 | 10123465789 |
| 3 | 10123465897 |
| 4 | 10123485679 |
| 5 | 10123485769 |
| 6 | 10123496857 |
| 7 | 10123547869 |
| 8 | 10123548679 |
| 9 | 10123568947 |
| 10 | 10123578649 |
| 11 | 10123586947 |
| 12 | 10123598467 |
| 13 | 10123654789 |
| 14 | 10123684759 |
| 15 | 10123685749 |
| 16 | 10123694857 |
| 17 | 10123746859 |
| 18 | 10123784569 |
| 19 | 10123846597 |
| 20 | 10123849657 |
| 21 | 10123854679 |
[10123457689,10123465789,10123465897,10123485679, 10123485769,10123496857,10123547869,10123548679, 10123568947,10123578649,10123586947,10123598467, 10123654789,10123684759,10123685749,10123694857, 10123746859,10123784569,10123846597,10123849657, 10123854679] |