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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 75 |
| 3 | 55125 |
| 4 | 694575 |
| 5 | 36018675 |
| 6 | 2678348673 |
| 7 | 5934977173125 |
| 8 | 31414073315625 |
| 9 | 7287392748056045625 |
| 10 | 1197275761489443260625 |
| 11 | 46668548892583246253625 |
| 12 | 1437557979280466067633984375 |
| 13 | 42189201565839765028388671875 |
| 14 | 12773202666073647259994954296875 |
| 15 | 16951256433371736928038065776171875 |
[3,75,55125,694575,36018675,2678348673, 5934977173125,31414073315625,7287392748056045625, 1197275761489443260625,46668548892583246253625, 1437557979280466067633984375, 42189201565839765028388671875, 12773202666073647259994954296875, 16951256433371736928038065776171875] |