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| n | a(n) |
|---|---|
| 22 | 1 |
| 23 | -22 |
| 24 | 231 |
| 25 | -1540 |
| 26 | 7293 |
| 27 | -25872 |
| 28 | 69971 |
| 29 | -140822 |
| 30 | 183711 |
| 31 | -25102 |
| 32 | -634480 |
| 33 | 2027804 |
| 34 | -3817814 |
| 35 | 4439116 |
| 36 | -919600 |
| 37 | -9829270 |
| 38 | 27660479 |
| 39 | -44779042 |
| 40 | 43632974 |
| 41 | -1898820 |
| 42 | -92518261 |
| 43 | 219961214 |
| 44 | -313463842 |
| 45 | 267448104 |
| 46 | 15757973 |
| 47 | -547042056 |
| 48 | 1173033400 |
[1,-22,231,-1540,7293,-25872,69971,-140822,183711, -25102,-634480,2027804,-3817814,4439116,-919600, -9829270,27660479,-44779042,43632974,-1898820, -92518261,219961214,-313463842,267448104,15757973, -547042056,1173033400] |