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| n | a(n) |
|---|---|
| 1 | -3 |
| 2 | -7 |
| 3 | 2197 |
| 4 | -34391 |
| 5 | -4002939 |
| 6 | 276762749 |
| 7 | -133968364171875 |
| 8 | -239121867667810023 |
| 9 | 105499562776343659717577 |
| 10 | -3916466797684156666150912 |
| 11 | -684705401333128471131344184438251 |
| 12 | 225821697750350580274314863789803277056101 |
| 13 | -2768960885387220187221550050659464666284508951 |
[-3,-7,2197,-34391,-4002939,276762749, -133968364171875,-239121867667810023, 105499562776343659717577, -3916466797684156666150912, -684705401333128471131344184438251, 225821697750350580274314863789803277056101, -2768960885387220187221550050659464666284508951] |