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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 6 |
| 6 | 1 |
| 7 | 1 |
| 8 | 12 |
| 9 | 12 |
| 10 | 1 |
| 11 | 1 |
| 12 | 20 |
| 13 | 80 |
| 14 | 20 |
| 15 | 1 |
| 16 | 1 |
| 17 | 30 |
| 18 | 200 |
| 19 | 200 |
| 20 | 30 |
| 21 | 1 |
| 22 | 1 |
| 23 | 42 |
| 24 | 420 |
| 25 | 1400 |
| 26 | 420 |
| 27 | 42 |
| 28 | 1 |
| 29 | 1 |
| 30 | 56 |
| 31 | 784 |
| 32 | 3920 |
| 33 | 3920 |
| 34 | 784 |
| 35 | 56 |
| 36 | 1 |
| 37 | 1 |
| 38 | 72 |
| 39 | 1344 |
| 40 | 9408 |
| 41 | 28224 |
| 42 | 9408 |
| 43 | 1344 |
| 44 | 72 |
| 45 | 1 |
| 46 | 1 |
| 47 | 90 |
| 48 | 2160 |
| 49 | 20160 |
| 50 | 84672 |
| 51 | 84672 |
| 52 | 20160 |
| 53 | 2160 |
| 54 | 90 |
| 55 | 1 |
[1,1,1,1,6,1,1,12,12,1,1,20,80,20,1,1,30,200,200, 30,1,1,42,420,1400,420,42,1,1,56,784,3920,3920, 784,56,1,1,72,1344,9408,28224,9408,1344,72,1,1,90, 2160,20160,84672,84672,20160,2160,90,1] |