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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 4 |
| 6 | 1 |
| 7 | 1 |
| 8 | 30 |
| 9 | 30 |
| 10 | 1 |
| 11 | 1 |
| 12 | 336 |
| 13 | 3024 |
| 14 | 336 |
| 15 | 1 |
| 16 | 1 |
| 17 | 5040 |
| 18 | 665280 |
| 19 | 665280 |
| 20 | 5040 |
| 21 | 1 |
| 22 | 1 |
| 23 | 95040 |
| 24 | 259459200 |
| 25 | 4151347200 |
| 26 | 259459200 |
| 27 | 95040 |
| 28 | 1 |
| 29 | 1 |
| 30 | 2162160 |
| 31 | 158789030400 |
| 32 | 60339831552000 |
| 33 | 60339831552000 |
| 34 | 158789030400 |
| 35 | 2162160 |
| 36 | 1 |
| 37 | 1 |
| 38 | 57657600 |
[1,1,1,1,4,1,1,30,30,1,1,336,3024,336,1,1,5040, 665280,665280,5040,1,1,95040,259459200,4151347200, 259459200,95040,1,1,2162160,158789030400, 60339831552000,60339831552000,158789030400, 2162160,1,1,57657600] |