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| n | a(n) |
|---|---|
| 1 | 256 |
| 2 | 31848 |
| 3 | 17552984 |
| 4 | 50678667832 |
| 5 | 816001498671156 |
| 6 | 67662059756253796792 |
| 7 | 27502351524660234481657420 |
[256,31848,17552984,50678667832,816001498671156, 67662059756253796792,27502351524660234481657420] |