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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 0 |
| 3 | -6 |
| 4 | -5 |
| 5 | 7 |
| 6 | -43 |
| 7 | -107 |
| 8 | 410 |
| 9 | -308 |
| 10 | -5201 |
| 11 | 22426 |
| 12 | 1694 |
| 13 | -462663 |
| 14 | 2209642 |
| 15 | 47303 |
| 16 | -62434277 |
| 17 | 381876639 |
| 18 | -384111618 |
| 19 | -11477555984 |
| 20 | 100411394912 |
| 21 | -284526009121 |
| 22 | -2378813791310 |
| 23 | 34944615773187 |
| 24 | -187609218526529 |
| 25 | -247374733853554 |
| 26 | 14024268845995431 |
[1,2,0,-6,-5,7,-43,-107,410,-308,-5201,22426,1694, -462663,2209642,47303,-62434277,381876639, -384111618,-11477555984,100411394912, -284526009121,-2378813791310,34944615773187, -187609218526529,-247374733853554, 14024268845995431] |