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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 25 |
| 2 | 287 |
| 3 | -9725 |
| 4 | -534143 |
| 5 | -205375 |
| 6 | 897567295 |
| 7 | 22855682875 |
| 8 | -1552252148095 |
| 9 | -100608070196375 |
| 10 | 2206749279595615 |
| 11 | 395224009253637875 |
| 12 | 1675906409804450305 |
| 13 | -1561130921287643963375 |
| 14 | -46392205796871853724545 |
| 15 | 6227466374611334891576875 |
| 16 | 390895142755423670672865025 |
[1,25,287,-9725,-534143,-205375,897567295, 22855682875,-1552252148095,-100608070196375, 2206749279595615,395224009253637875, 1675906409804450305,-1561130921287643963375, -46392205796871853724545, 6227466374611334891576875, 390895142755423670672865025] |