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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 7 |
| 3 | -8 |
| 4 | -827 |
| 5 | 2896 |
| 6 | 452179 |
| 7 | -2511872 |
| 8 | -560237303 |
| 9 | 4254259456 |
| 10 | 1237434920191 |
| 11 | -11907540107264 |
| 12 | -4275828959720435 |
| 13 | 49800209789734912 |
| 14 | 21288959122755516235 |
| 15 | -290981680034059649024 |
| 16 | -144324916601232035246831 |
| 17 | 2264121148389579474141184 |
[1,1,7,-8,-827,2896,452179,-2511872,-560237303, 4254259456,1237434920191,-11907540107264, -4275828959720435,49800209789734912, 21288959122755516235,-290981680034059649024, -144324916601232035246831, 2264121148389579474141184] |