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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 3 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 40 |
| 13 | 0 |
| 14 | 0 |
| 15 | 3003 |
| 16 | 105 |
| 17 | 0 |
| 18 | 71680 |
| 19 | 0 |
| 20 | 24192 |
| 21 | 2078505 |
| 22 | 0 |
| 23 | 0 |
| 24 | 330 |
| 25 | 4216455243 |
| 26 | 0 |
| 27 | 2788660875 |
| 28 | 39536640 |
| 29 | 0 |
| 30 | 256256 |
| 31 | 0 |
| 32 | 16380 |
| 33 | 6153560492625 |
| 34 | 0 |
| 35 | 276348105 |
| 36 | 15841280 |
| 37 | 0 |
| 38 | 0 |
| 39 | 20228646742486875 |
| 40 | 1116288 |
| 41 | 0 |
| 42 | 1190707200 |
| 43 | 0 |
[0,0,0,0,0,0,0,3,0,0,0,40,0,0,3003,105,0,71680,0, 24192,2078505,0,0,330,4216455243,0,2788660875, 39536640,0,256256,0,16380,6153560492625,0, 276348105,15841280,0,0,20228646742486875,1116288, 0,1190707200,0] |