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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -6 |
| 2 | -6 |
| 3 | 36 |
| 4 | 64 |
| 5 | 36 |
| 6 | -240 |
| 7 | -600 |
| 8 | -600 |
| 9 | -240 |
| 10 | 1800 |
| 11 | 5760 |
| 12 | 8100 |
| 13 | 5760 |
| 14 | 1800 |
| 15 | -15120 |
| 16 | -58800 |
| 17 | -105840 |
| 18 | -105840 |
| 19 | -58800 |
| 20 | -15120 |
| 21 | 141120 |
| 22 | 645120 |
| 23 | 1411200 |
| 24 | 1806336 |
| 25 | 1411200 |
| 26 | 645120 |
| 27 | 141120 |
| 28 | -1451520 |
| 29 | -7620480 |
| 30 | -19595520 |
| 31 | -30481920 |
| 32 | -30481920 |
| 33 | -19595520 |
| 34 | -7620480 |
| 35 | -1451520 |
[1,-6,-6,36,64,36,-240,-600,-600,-240,1800,5760, 8100,5760,1800,-15120,-58800,-105840,-105840, -58800,-15120,141120,645120,1411200,1806336, 1411200,645120,141120,-1451520,-7620480,-19595520, -30481920,-30481920,-19595520,-7620480,-1451520] |