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| n | a(n) |
|---|---|
| 1 | 576 |
| 2 | 5776 |
| 3 | 179776 |
| 4 | 12787776 |
| 5 | 77774761 |
| 6 | 7907477776 |
| 7 | 77770707876 |
| 8 | 4477777637776 |
| 9 | 77777477275716 |
| 10 | 3777771174707776 |
| 11 | 76978737777779776 |
| 12 | 276767777777770756 |
| 13 | 3777077879777771776 |
| 14 | 477772772701777877776 |
| 15 | 39877777877357777777476 |
| 16 | 67777770773777677177744 |
[576,5776,179776,12787776,77774761,7907477776, 77770707876,4477777637776,77777477275716, 3777771174707776,76978737777779776, 276767777777770756,3777077879777771776, 477772772701777877776,39877777877357777777476, 67777770773777677177744] |