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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 12 |
| 6 | 6 |
| 7 | 1 |
| 8 | 50 |
| 9 | 132 |
| 10 | 24 |
| 11 | 1 |
| 12 | 180 |
| 13 | 1830 |
| 14 | 1560 |
| 15 | 120 |
| 16 | 1 |
| 17 | 602 |
| 18 | 20460 |
| 19 | 60960 |
| 20 | 20520 |
| 21 | 720 |
| 22 | 1 |
| 23 | 1932 |
| 24 | 201726 |
| 25 | 1856400 |
| 26 | 2047920 |
| 27 | 302400 |
| 28 | 5040 |
| 29 | 1 |
| 30 | 6050 |
| 31 | 1832292 |
| 32 | 48550824 |
| 33 | 155801520 |
| 34 | 72586080 |
| 35 | 4979520 |
| 36 | 40320 |
| 37 | 1 |
| 38 | 18660 |
| 39 | 15717750 |
| 40 | 1144994760 |
| 41 | 10006131240 |
| 42 | 13069123200 |
| 43 | 2767474080 |
| 44 | 91082880 |
| 45 | 362880 |
[1,1,2,1,12,6,1,50,132,24,1,180,1830,1560,120,1, 602,20460,60960,20520,720,1,1932,201726,1856400, 2047920,302400,5040,1,6050,1832292,48550824, 155801520,72586080,4979520,40320,1,18660,15717750, 1144994760,10006131240,13069123200,2767474080, 91082880,362880] |