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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 4 |
| 6 | 6 |
| 7 | 1 |
| 8 | 6 |
| 9 | 16 |
| 10 | 24 |
| 11 | 1 |
| 12 | 8 |
| 13 | 30 |
| 14 | 72 |
| 15 | 120 |
| 16 | 1 |
| 17 | 10 |
| 18 | 48 |
| 19 | 152 |
| 20 | 372 |
| 21 | 720 |
| 22 | 1 |
| 23 | 12 |
| 24 | 70 |
| 25 | 272 |
| 26 | 828 |
| 27 | 2208 |
| 28 | 5040 |
| 29 | 1 |
| 30 | 14 |
| 31 | 96 |
| 32 | 440 |
| 33 | 1576 |
| 34 | 4968 |
| 35 | 14976 |
| 36 | 40320 |
| 37 | 1 |
| 38 | 16 |
| 39 | 126 |
| 40 | 664 |
| 41 | 2720 |
| 42 | 9696 |
| 43 | 33192 |
| 44 | 115200 |
| 45 | 362880 |
| 46 | 1 |
| 47 | 18 |
| 48 | 160 |
| 49 | 952 |
| 50 | 4380 |
| 51 | 17312 |
| 52 | 64704 |
| 53 | 247968 |
| 54 | 996480 |
[1,1,2,1,4,6,1,6,16,24,1,8,30,72,120,1,10,48,152, 372,720,1,12,70,272,828,2208,5040,1,14,96,440, 1576,4968,14976,40320,1,16,126,664,2720,9696, 33192,115200,362880,1,18,160,952,4380,17312,64704, 247968,996480] |