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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 74 |
| 3 | 1202 |
| 4 | 19643 |
| 5 | 321125 |
| 6 | 5249894 |
| 7 | 85827722 |
| 8 | 1403151863 |
| 9 | 22939385045 |
| 10 | 375023830514 |
| 11 | 6131065553042 |
| 12 | 100233536530883 |
| 13 | 1638664887623765 |
| 14 | 26789662490893934 |
| 15 | 437969972870249162 |
| 16 | 7160138624410348703 |
[5,74,1202,19643,321125,5249894,85827722, 1403151863,22939385045,375023830514,6131065553042, 100233536530883,1638664887623765, 26789662490893934,437969972870249162, 7160138624410348703] |