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| n | a(n) |
|---|---|
| 4 | 1084508 |
| 5 | 91075250 |
| 6 | 6565114436 |
| 7 | 441241902314 |
| 8 | 28686096681068 |
| 9 | 1835221289891810 |
| 10 | 116494017052053716 |
| 11 | 7366358270603987354 |
| 12 | 464926482693459729788 |
| 13 | 29316615999089974986770 |
| 14 | 1847760848280105290960996 |
| 15 | 116434174169077299044440394 |
| 16 | 7336135517363636128979098508 |
[1084508,91075250,6565114436,441241902314, 28686096681068,1835221289891810, 116494017052053716,7366358270603987354, 464926482693459729788,29316615999089974986770, 1847760848280105290960996, 116434174169077299044440394, 7336135517363636128979098508] |