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| n | a(n) |
|---|---|
| 1 | 4272 |
| 2 | 34337 |
| 3 | 438353 |
| 4 | 2922457 |
| 5 | 18564547 |
| 6 | 159480543 |
| 7 | 1328499316 |
| 8 | 9776128436 |
| 9 | 74163783119 |
| 10 | 592385188191 |
| 11 | 4627839825704 |
| 12 | 35461188831863 |
| 13 | 275231652348618 |
| 14 | 2150568911134569 |
| 15 | 16689842413232772 |
| 16 | 129272181984273768 |
[4272,34337,438353,2922457,18564547,159480543, 1328499316,9776128436,74163783119,592385188191, 4627839825704,35461188831863,275231652348618, 2150568911134569,16689842413232772, 129272181984273768] |