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| n | a(n) |
|---|---|
| 1 | -213720 |
| 2 | 114432 |
| 3 | -548352 |
| 4 | 892800 |
| 5 | -1774080 |
| 6 | -7289856 |
| 7 | 10105344 |
| 8 | -79557120 |
| 9 | -97790976 |
| 10 | 171740160 |
| 11 | 147556224 |
| 12 | 56531520 |
| 13 | -380053440 |
| 14 | 122206464 |
| 15 | -164292480 |
| 16 | -958000320 |
| 17 | 394761600 |
| 18 | 189907200 |
| 19 | 1139760000 |
| 20 | -3023127360 |
| 21 | -1495428480 |
| 22 | -4260988800 |
| 23 | -14501393280 |
| 24 | 7022695680 |
[-213720,114432,-548352,892800,-1774080,-7289856, 10105344,-79557120,-97790976,171740160,147556224, 56531520,-380053440,122206464,-164292480, -958000320,394761600,189907200,1139760000, -3023127360,-1495428480,-4260988800,-14501393280, 7022695680] |