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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 37 |
| 3 | 1069 |
| 4 | 20575 |
| 5 | 1346153 |
| 6 | 1214756107 |
| 7 | 20699705479 |
| 8 | 850029466379 |
| 9 | 19572345658457 |
| 10 | 137116980686111 |
| 11 | 411600123273343 |
| 12 | 1482039573988769177 |
| 13 | 456179332236626381 |
| 14 | 32398234503565880731 |
| 15 | 1199020509231104363863 |
[1,37,1069,20575,1346153,1214756107,20699705479, 850029466379,19572345658457,137116980686111, 411600123273343,1482039573988769177, 456179332236626381,32398234503565880731, 1199020509231104363863] |