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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 107 |
| 2 | 3821 |
| 3 | 79559 |
| 4 | 1260989 |
| 5 | 18409199 |
| 6 | 252427601 |
| 7 | 3285916169 |
| 8 | 41375648687 |
| 9 | 507575862527 |
| 10 | 6100479510551 |
[3,107,3821,79559,1260989,18409199,252427601, 3285916169,41375648687,507575862527,6100479510551] |