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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 16 |
| 3 | 125 |
| 4 | 4096 |
| 5 | 248832 |
| 6 | 113379904 |
| 7 | 94931877133 |
| 8 | 722204136308736 |
| 9 | 9223372036854775808 |
| 10 | 1117730665547154976408576 |
| 11 | 214633637635011206805784100864 |
| 12 | 397495155639882245867698528490622976 |
| 13 | 1135797931555041090259334993227408493600768 |
[1,3,16,125,4096,248832,113379904,94931877133, 722204136308736,9223372036854775808, 1117730665547154976408576, 214633637635011206805784100864, 397495155639882245867698528490622976, 1135797931555041090259334993227408493600768] |