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| n | a(n) |
|---|---|
| 1 | 6598 |
| 2 | 22701 |
| 3 | 110665 |
| 4 | 448323 |
| 5 | 2641643 |
| 6 | 13960830 |
| 7 | 62261756 |
| 8 | 378997999 |
| 9 | 2046478799 |
| 10 | 9628330801 |
| 11 | 59374168196 |
| 12 | 322709718271 |
| 13 | 1563088803139 |
| 14 | 9691995342577 |
| 15 | 52757221119490 |
| 16 | 259349258343928 |
| 17 | 1611556225819907 |
| 18 | 8772483896966923 |
[6598,22701,110665,448323,2641643,13960830, 62261756,378997999,2046478799,9628330801, 59374168196,322709718271,1563088803139, 9691995342577,52757221119490,259349258343928, 1611556225819907,8772483896966923] |