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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 4 |
| 3 | 5 |
| 4 | 12 |
| 5 | 13 |
| 6 | 84 |
| 7 | 85 |
| 8 | 3612 |
| 9 | 3613 |
| 10 | 6526884 |
| 11 | 6526885 |
| 12 | 21300113901612 |
| 13 | 21300113901613 |
| 14 | 226847426110843688722000884 |
| 15 | 226847426110843688722000885 |
| 16 | 25729877366557343481074291996721923093306518970391612 |
| 17 | 25729877366557343481074291996721923093306518970391613 |
[3,4,5,12,13,84,85,3612,3613,6526884,6526885, 21300113901612,21300113901613, 226847426110843688722000884, 226847426110843688722000885, 25729877366557343481074291996721923093306518970391\ 612, 25729877366557343481074291996721923093306518970391\ 613] |