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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 6 |
| 5 | 2 |
| 6 | 1 |
| 7 | 24 |
| 8 | 18 |
| 9 | 3 |
| 10 | 1 |
| 11 | 168 |
| 12 | 96 |
| 13 | 36 |
| 14 | 4 |
| 15 | 1 |
| 16 | 960 |
| 17 | 840 |
| 18 | 240 |
| 19 | 60 |
| 20 | 5 |
| 21 | 1 |
| 22 | 9360 |
| 23 | 5760 |
| 24 | 2520 |
| 25 | 480 |
| 26 | 90 |
| 27 | 6 |
| 28 | 1 |
| 29 | 70560 |
| 30 | 65520 |
| 31 | 20160 |
| 32 | 5880 |
| 33 | 840 |
| 34 | 126 |
| 35 | 7 |
| 36 | 1 |
| 37 | 806400 |
| 38 | 564480 |
| 39 | 262080 |
| 40 | 53760 |
| 41 | 11760 |
| 42 | 1344 |
| 43 | 168 |
| 44 | 8 |
| 45 | 1 |
| 46 | 7983360 |
| 47 | 7257600 |
| 48 | 2540160 |
| 49 | 786240 |
| 50 | 120960 |
| 51 | 21168 |
[1,1,1,6,2,1,24,18,3,1,168,96,36,4,1,960,840,240, 60,5,1,9360,5760,2520,480,90,6,1,70560,65520, 20160,5880,840,126,7,1,806400,564480,262080,53760, 11760,1344,168,8,1,7983360,7257600,2540160,786240, 120960,21168] |