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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 5 |
| 5 | 1 |
| 6 | 1 |
| 7 | 30 |
| 8 | 30 |
| 9 | 1 |
| 10 | 1 |
| 11 | 210 |
| 12 | 1260 |
| 13 | 210 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1680 |
| 17 | 70560 |
| 18 | 70560 |
| 19 | 1680 |
| 20 | 1 |
| 21 | 1 |
| 22 | 15120 |
| 23 | 5080320 |
| 24 | 35562240 |
| 25 | 5080320 |
| 26 | 15120 |
| 27 | 1 |
| 28 | 1 |
| 29 | 151200 |
| 30 | 457228800 |
| 31 | 25604812800 |
| 32 | 25604812800 |
| 33 | 457228800 |
| 34 | 151200 |
| 35 | 1 |
| 36 | 1 |
| 37 | 1663200 |
| 38 | 50295168000 |
| 39 | 25348764672000 |
[1,1,1,1,5,1,1,30,30,1,1,210,1260,210,1,1,1680, 70560,70560,1680,1,1,15120,5080320,35562240, 5080320,15120,1,1,151200,457228800,25604812800, 25604812800,457228800,151200,1,1,1663200, 50295168000,25348764672000] |