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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 7328 |
| 3 | 663054 |
| 4 | 37614057 |
| 5 | 1985266297 |
| 6 | 110128420642 |
| 7 | 6430557449984 |
| 8 | 384253846782773 |
[0,7328,663054,37614057,1985266297,110128420642, 6430557449984,384253846782773] |