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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 6 |
| 5 | 4 |
| 6 | 24 |
| 7 | 18 |
| 8 | 1 |
| 9 | 120 |
| 10 | 96 |
| 11 | 9 |
| 12 | 720 |
| 13 | 600 |
| 14 | 72 |
| 15 | 1 |
| 16 | 5040 |
| 17 | 4320 |
| 18 | 600 |
| 19 | 16 |
| 20 | 40320 |
| 21 | 35280 |
| 22 | 5400 |
| 23 | 200 |
| 24 | 1 |
| 25 | 362880 |
| 26 | 322560 |
| 27 | 52920 |
| 28 | 2400 |
| 29 | 25 |
| 30 | 3628800 |
| 31 | 3265920 |
| 32 | 564480 |
| 33 | 29400 |
| 34 | 450 |
| 35 | 1 |
| 36 | 39916800 |
| 37 | 36288000 |
| 38 | 6531840 |
| 39 | 376320 |
| 40 | 7350 |
| 41 | 36 |
| 42 | 479001600 |
| 43 | 439084800 |
| 44 | 81648000 |
| 45 | 5080320 |
| 46 | 117600 |
| 47 | 882 |
| 48 | 1 |
[1,1,2,1,6,4,24,18,1,120,96,9,720,600,72,1,5040, 4320,600,16,40320,35280,5400,200,1,362880,322560, 52920,2400,25,3628800,3265920,564480,29400,450,1, 39916800,36288000,6531840,376320,7350,36, 479001600,439084800,81648000,5080320,117600,882,1] |