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| n | a(n) |
|---|---|
| 3 | 3987 |
| 4 | 44515 |
| 5 | 258851 |
| 6 | 1068723 |
| 7 | 5651975 |
| 8 | 23091787 |
| 9 | 83929023 |
| 10 | 401708875 |
| 11 | 1644515111 |
| 12 | 6321665907 |
[3987,44515,258851,1068723,5651975,23091787, 83929023,401708875,1644515111,6321665907] |