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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 71 |
| 3 | 694 |
| 4 | 7421 |
| 5 | 86276 |
| 6 | 1084483 |
| 7 | 14665106 |
| 8 | 212385209 |
| 9 | 3280842496 |
| 10 | 53862855551 |
| 11 | 936722974958 |
| 12 | 17205245113141 |
| 13 | 332864226563324 |
| 14 | 6766480571358971 |
| 15 | 144202473398010826 |
| 16 | 3215159679583864433 |
[1,8,71,694,7421,86276,1084483,14665106,212385209, 3280842496,53862855551,936722974958, 17205245113141,332864226563324,6766480571358971, 144202473398010826,3215159679583864433] |