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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 6 |
| 5 | 2 |
| 6 | 60 |
| 7 | 2 |
| 8 | 42 |
| 9 | 6 |
| 10 | 30 |
| 11 | 1 |
| 12 | 660 |
| 13 | 3 |
| 14 | 182 |
| 15 | 30 |
| 16 | 42 |
| 17 | 2 |
| 18 | 1020 |
| 19 | 1 |
| 20 | 570 |
| 21 | 42 |
| 22 | 22 |
| 23 | 1 |
| 24 | 106260 |
| 25 | 10 |
| 26 | 390 |
| 27 | 6 |
| 28 | 546 |
| 29 | 1 |
| 30 | 1740 |
| 31 | 10 |
| 32 | 1302 |
| 33 | 66 |
| 34 | 34 |
| 35 | 70 |
| 36 | 11220 |
| 37 | 1 |
| 38 | 1406 |
| 39 | 78 |
| 40 | 3990 |
| 41 | 1 |
| 42 | 223860 |
| 43 | 1 |
| 44 | 2838 |
| 45 | 30 |
| 46 | 46 |
| 47 | 1 |
| 48 | 4994220 |
| 49 | 14 |
| 50 | 210 |
| 51 | 102 |
| 52 | 390 |
| 53 | 1 |
| 54 | 54060 |
| 55 | 110 |
| 56 | 546 |
| 57 | 798 |
| 58 | 58 |
| 59 | 1 |
| 60 | 21455940 |
[1,1,2,6,2,60,2,42,6,30,1,660,3,182,30,42,2,1020, 1,570,42,22,1,106260,10,390,6,546,1,1740,10,1302, 66,34,70,11220,1,1406,78,3990,1,223860,1,2838,30, 46,1,4994220,14,210,102,390,1,54060,110,546,798, 58,1,21455940] |