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| n | a(n) |
|---|---|
| 1 | 333555577577777 |
| 2 | 333555577777577 |
| 3 | 333555757775777 |
| 4 | 333555775757777 |
| 5 | 333555775777577 |
| 6 | 333557555777777 |
| 7 | 333557575777757 |
| 8 | 333557757577757 |
| 9 | 333557757755777 |
| 10 | 333557775777557 |
| 11 | 333557777555777 |
| 12 | 333557777557757 |
| 13 | 333557777575577 |
| 14 | 333575577577757 |
| 15 | 333575577757757 |
| 16 | 333575577775577 |
| 17 | 333575755777577 |
[333555577577777,333555577777577,333555757775777, 333555775757777,333555775777577,333557555777777, 333557575777757,333557757577757,333557757755777, 333557775777557,333557777555777,333557777557757, 333557777575577,333575577577757,333575577757757, 333575577775577,333575755777577] |