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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 6 |
| 5 | 112 |
| 6 | 21 |
| 7 | 336 |
| 8 | 21 |
| 9 | 24 |
| 10 | 8064 |
| 11 | 504 |
| 12 | 84 |
| 13 | 2520 |
| 14 | 40320 |
| 15 | 1008 |
| 16 | 504 |
| 17 | 8064 |
| 18 | 8064 |
| 19 | 504 |
| 20 | 672 |
| 21 | 120 |
| 22 | 399168 |
| 23 | 39916800 |
| 24 | 1155 |
| 25 | 30240 |
| 26 | 18144 |
| 27 | 528 |
| 28 | 241920 |
| 29 | 26880 |
| 30 | 36288 |
| 31 | 4435200 |
| 32 | 1814400 |
| 33 | 480 |
| 34 | 181440 |
| 35 | 480 |
| 36 | 2217600 |
| 37 | 3991680 |
| 38 | 528 |
| 39 | 20736 |
| 40 | 36288 |
| 41 | 362880 |
| 42 | 378 |
| 43 | 110880 |
| 44 | 4435200 |
| 45 | 36960 |
| 46 | 201600 |
| 47 | 5040 |
| 48 | 13860 |
| 49 | 295680 |
| 50 | 5702400 |
| 51 | 4435200 |
| 52 | 13860 |
| 53 | 103680 |
| 54 | 50400 |
| 55 | 1814400 |
| 56 | 720 |
[1,2,6,6,112,21,336,21,24,8064,504,84,2520,40320, 1008,504,8064,8064,504,672,120,399168,39916800, 1155,30240,18144,528,241920,26880,36288,4435200, 1814400,480,181440,480,2217600,3991680,528,20736, 36288,362880,378,110880,4435200,36960,201600,5040, 13860,295680,5702400,4435200,13860,103680,50400, 1814400,720] |