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| n | a(n) |
|---|---|
| 1 | 50 |
| 2 | 1844 |
| 3 | 42084 |
| 4 | 737366 |
| 5 | 12926271 |
| 6 | 245920800 |
| 7 | 4810332239 |
| 8 | 92790334588 |
| 9 | 1767175335274 |
| 10 | 33631393265283 |
| 11 | 642245437813719 |
| 12 | 12282485000914102 |
| 13 | 234784249649799771 |
| 14 | 4485361687341554225 |
| 15 | 85682498512887615932 |
[50,1844,42084,737366,12926271,245920800, 4810332239,92790334588,1767175335274, 33631393265283,642245437813719,12282485000914102, 234784249649799771,4485361687341554225, 85682498512887615932] |