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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | 8 |
| 4 | -1 |
| 5 | 4 |
| 6 | -76 |
| 7 | 264 |
| 8 | -76 |
| 9 | 4 |
| 10 | -33 |
| 11 | 1248 |
| 12 | -9735 |
| 13 | 22080 |
| 14 | -9735 |
| 15 | 1248 |
| 16 | -33 |
| 17 | 456 |
| 18 | -32088 |
| 19 | 440448 |
| 20 | -2085096 |
| 21 | 3715440 |
| 22 | -2085096 |
| 23 | 440448 |
| 24 | -32088 |
| 25 | 456 |
| 26 | -9460 |
| 27 | 1216600 |
| 28 | -26297700 |
| 29 | 205444800 |
| 30 | -704121000 |
| 31 | 1087450320 |
| 32 | -704121000 |
| 33 | 205444800 |
| 34 | -26297700 |
| 35 | 1216600 |
| 36 | -9460 |
[1,-1,8,-1,4,-76,264,-76,4,-33,1248,-9735,22080, -9735,1248,-33,456,-32088,440448,-2085096,3715440, -2085096,440448,-32088,456,-9460,1216600, -26297700,205444800,-704121000,1087450320, -704121000,205444800,-26297700,1216600,-9460] |