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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 56 |
| 2 | 46336 |
| 3 | 182844416 |
| 4 | 2205641015296 |
| 5 | 63603482126974976 |
| 6 | 3748468097940723859456 |
| 7 | 404963012992964559934324736 |
| 8 | 74035562436962891333631597346816 |
| 9 | 21543523644222111882868080329093021696 |
| 10 | 9505937948357641883573662624456235995365376 |
[1,56,46336,182844416,2205641015296, 63603482126974976,3748468097940723859456, 404963012992964559934324736, 74035562436962891333631597346816, 21543523644222111882868080329093021696, 9505937948357641883573662624456235995365376] |