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| n | a(n) |
|---|---|
| 1 | 504 |
| 2 | 103546 |
| 3 | 24103803 |
| 4 | 6594175430 |
| 5 | 1892563134910 |
| 6 | 540194658701142 |
| 7 | 152561415660718514 |
| 8 | 42854095125044269456 |
| 9 | 11909803616605399424974 |
| 10 | 3223604568067184016119193 |
| 11 | 835430834890906525681829626 |
[504,103546,24103803,6594175430,1892563134910, 540194658701142,152561415660718514, 42854095125044269456,11909803616605399424974, 3223604568067184016119193, 835430834890906525681829626] |