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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 16 |
| 3 | 98 |
| 4 | 1307 |
| 5 | 21517 |
| 6 | 491948 |
| 7 | 16675001 |
| 8 | 760840082 |
| 9 | 48694010408 |
| 10 | 4485988205726 |
| 11 | 562936265068141 |
| 12 | 102307352557957161 |
| 13 | 26014225086453944774 |
| 14 | 9391676528481972080755 |
| 15 | 4844995109176631213739332 |
[2,16,98,1307,21517,491948,16675001,760840082, 48694010408,4485988205726,562936265068141, 102307352557957161,26014225086453944774, 9391676528481972080755,4844995109176631213739332] |