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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | -88 |
| 4 | -330 |
| 5 | 0 |
| 6 | 0 |
| 7 | -4224 |
| 8 | -7524 |
| 9 | 0 |
| 10 | 0 |
| 11 | -30600 |
| 12 | -46552 |
| 13 | 0 |
| 14 | 0 |
| 15 | -130944 |
| 16 | -169290 |
| 17 | 0 |
| 18 | 0 |
| 19 | -355080 |
| 20 | -464904 |
| 21 | 0 |
| 22 | 0 |
| 23 | -899712 |
| 24 | -1052040 |
| 25 | 0 |
| 26 | 0 |
| 27 | -1732192 |
| 28 | -2099328 |
| 29 | 0 |
| 30 | 0 |
| 31 | -3421440 |
| 32 | -3859812 |
| 33 | 0 |
| 34 | 0 |
| 35 | -5593104 |
[1,0,0,-88,-330,0,0,-4224,-7524,0,0,-30600,-46552, 0,0,-130944,-169290,0,0,-355080,-464904,0,0, -899712,-1052040,0,0,-1732192,-2099328,0,0, -3421440,-3859812,0,0,-5593104] |