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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 144 |
| 3 | 1427 |
| 4 | 40321 |
| 5 | 564838 |
| 6 | 17801910 |
| 7 | 262048125 |
| 8 | 8550246097 |
| 9 | 129184703815 |
| 10 | 4294346570524 |
| 11 | 66002018148195 |
| 12 | 2218403489369930 |
| 13 | 34478463977532598 |
| 14 | 1167416501197133512 |
| 15 | 18284642742630658357 |
| 16 | 622321211264493492467 |
[5,144,1427,40321,564838,17801910,262048125, 8550246097,129184703815,4294346570524, 66002018148195,2218403489369930,34478463977532598, 1167416501197133512,18284642742630658357, 622321211264493492467] |