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| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 4679 |
| 3 | 575757 |
| 4 | 78416265 |
| 5 | 10521395805 |
| 6 | 1411363459757 |
| 7 | 189537122520529 |
| 8 | 25452175156264451 |
| 9 | 3417529000078202173 |
| 10 | 458884977133199962799 |
| 11 | 61616812650798586337473 |
| 12 | 8273590477515811155826013 |
[15,4679,575757,78416265,10521395805, 1411363459757,189537122520529,25452175156264451, 3417529000078202173,458884977133199962799, 61616812650798586337473,8273590477515811155826013] |