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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 6 |
| 6 | 1 |
| 7 | 7 |
| 8 | 42 |
| 9 | 168 |
| 10 | 1 |
| 11 | 15 |
| 12 | 210 |
| 13 | 2520 |
| 14 | 20160 |
| 15 | 1 |
| 16 | 31 |
| 17 | 930 |
| 18 | 26040 |
| 19 | 624960 |
| 20 | 9999360 |
| 21 | 1 |
| 22 | 63 |
| 23 | 3906 |
| 24 | 234360 |
| 25 | 13124160 |
| 26 | 629959680 |
| 27 | 20158709760 |
| 28 | 1 |
| 29 | 127 |
| 30 | 16002 |
| 31 | 1984248 |
| 32 | 238109760 |
| 33 | 26668293120 |
| 34 | 2560156139520 |
| 35 | 163849992929280 |
| 36 | 1 |
| 37 | 255 |
| 38 | 64770 |
| 39 | 16322040 |
| 40 | 4047865920 |
| 41 | 971487820800 |
| 42 | 217613271859200 |
| 43 | 41781748196966400 |
| 44 | 5348063769211699200 |
[1,1,1,1,3,6,1,7,42,168,1,15,210,2520,20160,1,31, 930,26040,624960,9999360,1,63,3906,234360, 13124160,629959680,20158709760,1,127,16002, 1984248,238109760,26668293120,2560156139520, 163849992929280,1,255,64770,16322040,4047865920, 971487820800,217613271859200,41781748196966400, 5348063769211699200] |