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| n | a(n) |
|---|---|
| 1 | 88 |
| 2 | 1200 |
| 3 | 14800 |
| 4 | 170568 |
| 5 | 1830768 |
| 6 | 18670696 |
| 7 | 180093160 |
| 8 | 1680608680 |
| 9 | 14967698864 |
[88,1200,14800,170568,1830768,18670696,180093160, 1680608680,14967698864] |