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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 1 |
| 3 | 6 |
| 4 | 4 |
| 5 | 1 |
| 6 | 24 |
| 7 | 18 |
| 8 | 6 |
| 9 | 1 |
| 10 | 120 |
| 11 | 96 |
| 12 | 36 |
| 13 | 8 |
| 14 | 1 |
| 15 | 720 |
| 16 | 600 |
| 17 | 240 |
| 18 | 60 |
| 19 | 10 |
| 20 | 1 |
| 21 | 5040 |
| 22 | 4320 |
| 23 | 1800 |
| 24 | 480 |
| 25 | 90 |
| 26 | 12 |
| 27 | 1 |
| 28 | 40320 |
| 29 | 35280 |
| 30 | 15120 |
| 31 | 4200 |
| 32 | 840 |
| 33 | 126 |
| 34 | 14 |
| 35 | 1 |
| 36 | 362880 |
| 37 | 322560 |
| 38 | 141120 |
| 39 | 40320 |
| 40 | 8400 |
| 41 | 1344 |
| 42 | 168 |
| 43 | 16 |
| 44 | 1 |
| 45 | 3628800 |
| 46 | 3265920 |
| 47 | 1451520 |
| 48 | 423360 |
| 49 | 90720 |
| 50 | 15120 |
[1,2,1,6,4,1,24,18,6,1,120,96,36,8,1,720,600,240, 60,10,1,5040,4320,1800,480,90,12,1,40320,35280, 15120,4200,840,126,14,1,362880,322560,141120, 40320,8400,1344,168,16,1,3628800,3265920,1451520, 423360,90720,15120] |