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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 23 |
| 2 | 241 |
| 3 | -7705 |
| 4 | -385439 |
| 5 | 11063 |
| 6 | 555286609 |
| 7 | 12752475143 |
| 8 | -826150875455 |
| 9 | -48383172864937 |
| 10 | 1028570093285809 |
| 11 | 163000649996592167 |
| 12 | 490504894392176929 |
| 13 | -552048633817202459785 |
| 14 | -14533568902399966997231 |
| 15 | 1891588006795761076916807 |
| 16 | 106291541814670362197124481 |
[1,23,241,-7705,-385439,11063,555286609, 12752475143,-826150875455,-48383172864937, 1028570093285809,163000649996592167, 490504894392176929,-552048633817202459785, -14533568902399966997231, 1891588006795761076916807, 106291541814670362197124481] |