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| n | a(n) |
|---|---|
| 1 | 361 |
| 2 | 12769 |
| 3 | 863041 |
| 4 | 59351616 |
| 5 | 3905250064 |
| 6 | 260600040100 |
| 7 | 17330552348004 |
| 8 | 1153528162776900 |
| 9 | 76763384537319481 |
| 10 | 5108617932112788025 |
| 11 | 339974767106569093041 |
| 12 | 22625163540816676108864 |
| 13 | 1505692287795817536769600 |
[361,12769,863041,59351616,3905250064, 260600040100,17330552348004,1153528162776900, 76763384537319481,5108617932112788025, 339974767106569093041,22625163540816676108864, 1505692287795817536769600] |