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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 2 |
| 3 | 0 |
| 4 | 6 |
| 5 | 12 |
| 6 | 0 |
| 7 | 24 |
| 8 | 120 |
| 9 | 120 |
| 10 | 0 |
| 11 | 120 |
| 12 | 1080 |
| 13 | 2520 |
| 14 | 1680 |
| 15 | 0 |
| 16 | 720 |
| 17 | 10080 |
| 18 | 40320 |
| 19 | 60480 |
| 20 | 30240 |
| 21 | 0 |
| 22 | 5040 |
| 23 | 100800 |
| 24 | 604800 |
| 25 | 1512000 |
| 26 | 1663200 |
| 27 | 665280 |
| 28 | 0 |
| 29 | 40320 |
| 30 | 1088640 |
| 31 | 9072000 |
| 32 | 33264000 |
| 33 | 59875200 |
| 34 | 51891840 |
| 35 | 17297280 |
[1,0,2,0,6,12,0,24,120,120,0,120,1080,2520,1680,0, 720,10080,40320,60480,30240,0,5040,100800,604800, 1512000,1663200,665280,0,40320,1088640,9072000, 33264000,59875200,51891840,17297280] |