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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 4 |
| 6 | 3 |
| 7 | 2 |
| 8 | 14 |
| 9 | 27 |
| 10 | 15 |
| 11 | 3 |
| 12 | 48 |
| 13 | 180 |
| 14 | 240 |
| 15 | 105 |
| 16 | 6 |
| 17 | 171 |
| 18 | 1089 |
| 19 | 2604 |
| 20 | 2625 |
| 21 | 945 |
| 22 | 11 |
| 23 | 614 |
| 24 | 6333 |
| 25 | 24180 |
| 26 | 42075 |
| 27 | 34020 |
| 28 | 10395 |
| 29 | 23 |
| 30 | 2270 |
| 31 | 36309 |
| 32 | 207732 |
| 33 | 554820 |
| 34 | 755370 |
| 35 | 509355 |
| 36 | 135135 |
| 37 | 46 |
| 38 | 8518 |
| 39 | 207255 |
| 40 | 1710108 |
| 41 | 6578550 |
| 42 | 13408740 |
| 43 | 14963130 |
| 44 | 8648640 |
| 45 | 2027025 |
[1,1,1,1,4,3,2,14,27,15,3,48,180,240,105,6,171, 1089,2604,2625,945,11,614,6333,24180,42075,34020, 10395,23,2270,36309,207732,554820,755370,509355, 135135,46,8518,207255,1710108,6578550,13408740, 14963130,8648640,2027025] |