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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 41 |
| 3 | 236942616 |
| 4 | 73674727501216431238735 |
| 5 | 1455076937962639373651947379634071842025652735048 |
[0,41,236942616,73674727501216431238735, 1455076937962639373651947379634071842025652735048] |