| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 1 |
| 3 | 30 |
| 4 | 10 |
| 5 | 1 |
| 6 | 220 |
| 7 | 95 |
| 8 | 15 |
| 9 | 1 |
| 10 | 1945 |
| 11 | 990 |
| 12 | 195 |
| 13 | 20 |
| 14 | 1 |
| 15 | 20340 |
| 16 | 11635 |
| 17 | 2625 |
| 18 | 330 |
| 19 | 25 |
| 20 | 1 |
| 21 | 247066 |
| 22 | 154450 |
| 23 | 38270 |
| 24 | 5440 |
| 25 | 500 |
| 26 | 30 |
| 27 | 1 |
| 28 | 3430936 |
| 29 | 2302142 |
| 30 | 611525 |
| 31 | 94515 |
| 32 | 9750 |
| 33 | 705 |
| 34 | 35 |
| 35 | 1 |
| 36 | 53741404 |
| 37 | 38229214 |
| 38 | 10721093 |
| 39 | 1761940 |
| 40 | 196500 |
| 41 | 15870 |
| 42 | 945 |
| 43 | 40 |
| 44 | 1 |
[1,5,1,30,10,1,220,95,15,1,1945,990,195,20,1, 20340,11635,2625,330,25,1,247066,154450,38270, 5440,500,30,1,3430936,2302142,611525,94515,9750, 705,35,1,53741404,38229214,10721093,1761940, 196500,15870,945,40,1] |