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| n | a(n) |
|---|---|
| 0 | -3 |
| 1 | -18 |
| 2 | 513 |
| 3 | 33588 |
| 4 | 2808945 |
| 5 | -41843142 |
| 6 | -6519779667 |
| 7 | -485174610648 |
| 8 | -544306979739483 |
| 9 | -86437871519050170 |
| 10 | 457002245380426137 |
| 11 | 3569731062346847916252 |
| 12 | -620271257755918954475367 |
| 13 | 292423979518758253028885778 |
| 14 | 278778044913113754743640514245 |
[-3,-18,513,33588,2808945,-41843142,-6519779667, -485174610648,-544306979739483,-86437871519050170, 457002245380426137,3569731062346847916252, -620271257755918954475367, 292423979518758253028885778, 278778044913113754743640514245] |