| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 1 |
| 3 | 6 |
| 4 | 6 |
| 5 | 3 |
| 6 | 24 |
| 7 | 36 |
| 8 | 30 |
| 9 | 15 |
| 10 | 120 |
| 11 | 240 |
| 12 | 270 |
| 13 | 210 |
| 14 | 105 |
| 15 | 720 |
| 16 | 1800 |
| 17 | 2520 |
| 18 | 2520 |
| 19 | 1890 |
| 20 | 945 |
| 21 | 5040 |
| 22 | 15120 |
| 23 | 25200 |
| 24 | 30240 |
| 25 | 28350 |
| 26 | 20790 |
| 27 | 10395 |
| 28 | 40320 |
| 29 | 141120 |
| 30 | 272160 |
| 31 | 378000 |
| 32 | 415800 |
| 33 | 374220 |
| 34 | 270270 |
| 35 | 135135 |
| 36 | 362880 |
| 37 | 1451520 |
| 38 | 3175200 |
| 39 | 4989600 |
[1,2,1,6,6,3,24,36,30,15,120,240,270,210,105,720, 1800,2520,2520,1890,945,5040,15120,25200,30240, 28350,20790,10395,40320,141120,272160,378000, 415800,374220,270270,135135,362880,1451520, 3175200,4989600] |