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| n | a(n) |
|---|---|
| 1 | 5725 |
| 2 | 12785 |
| 3 | 33325 |
| 4 | 97145 |
| 5 | 307525 |
| 6 | 1037585 |
| 7 | 3684925 |
| 8 | 13653545 |
| 9 | 52436725 |
| 10 | 207712385 |
| 11 | 845452525 |
| 12 | 3525617945 |
| 13 | 15026853925 |
| 14 | 65331315185 |
| 15 | 289222676125 |
| 16 | 1301655470345 |
| 17 | 5946166679125 |
| 18 | 27529329445985 |
| 19 | 128980999355725 |
[5725,12785,33325,97145,307525,1037585,3684925, 13653545,52436725,207712385,845452525,3525617945, 15026853925,65331315185,289222676125, 1301655470345,5946166679125,27529329445985, 128980999355725] |