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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 92 |
| 4 | 1609 |
| 5 | 45143 |
| 6 | 1863192 |
| 7 | 114087318 |
| 8 | 10570868743 |
| 9 | 1486791095951 |
[1,8,92,1609,45143,1863192,114087318,10570868743, 1486791095951] |