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| n | a(n) |
|---|---|
| 1 | 56 |
| 2 | 1624 |
| 3 | 71280 |
| 4 | 14119456 |
| 5 | 3638129496 |
| 6 | 5918104318968 |
| 7 | 8967685381446696 |
| 8 | 122249822533913768232 |
| 9 | 1076958448730484588421552 |
| 10 | 123150528274584255166922562896 |
[56,1624,71280,14119456,3638129496,5918104318968, 8967685381446696,122249822533913768232, 1076958448730484588421552, 123150528274584255166922562896] |