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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 65 |
| 4 | 9047 |
| 5 | 7558495 |
| 6 | 41011388731 |
| 7 | 1417058414112748 |
| 8 | 305516864725171735943 |
| 9 | 412489181606705015322075070 |
[1,2,65,9047,7558495,41011388731,1417058414112748, 305516864725171735943,412489181606705015322075070] |