| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 6 |
| 6 | 2 |
| 7 | 1 |
| 8 | 21 |
| 9 | 36 |
| 10 | 6 |
| 11 | 1 |
| 12 | 60 |
| 13 | 300 |
| 14 | 240 |
| 15 | 24 |
| 16 | 1 |
| 17 | 155 |
| 18 | 1800 |
| 19 | 3900 |
| 20 | 1800 |
| 21 | 120 |
| 22 | 1 |
| 23 | 378 |
| 24 | 9030 |
| 25 | 42000 |
| 26 | 50400 |
| 27 | 15120 |
| 28 | 720 |
| 29 | 1 |
| 30 | 889 |
| 31 | 40572 |
| 32 | 357210 |
| 33 | 882000 |
| 34 | 670320 |
| 35 | 141120 |
| 36 | 5040 |
| 37 | 1 |
| 38 | 2040 |
| 39 | 169400 |
| 40 | 2610720 |
| 41 | 11677680 |
| 42 | 17781120 |
| 43 | 9313920 |
| 44 | 1451520 |
| 45 | 40320 |
[1,1,1,1,6,2,1,21,36,6,1,60,300,240,24,1,155,1800, 3900,1800,120,1,378,9030,42000,50400,15120,720,1, 889,40572,357210,882000,670320,141120,5040,1,2040, 169400,2610720,11677680,17781120,9313920,1451520, 40320] |