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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 13 |
| 2 | 18281 |
| 3 | 2732887529 |
| 4 | 43384923739812577 |
| 5 | 73125714588602035608260981 |
| 6 | 13085551252412040683513520733767180041 |
| 7 | 248596840858215958581954513797323868183183928594833 |
[1,13,18281,2732887529,43384923739812577, 73125714588602035608260981, 13085551252412040683513520733767180041, 24859684085821595858195451379732386818318392859483\ 3] |