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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 15 |
| 3 | 1 |
| 4 | 275 |
| 5 | 30 |
| 6 | 1 |
| 7 | 5500 |
| 8 | 775 |
| 9 | 45 |
| 10 | 1 |
| 11 | 115500 |
| 12 | 19250 |
| 13 | 1500 |
| 14 | 60 |
| 15 | 1 |
| 16 | 2502500 |
| 17 | 471625 |
| 18 | 44625 |
| 19 | 2450 |
| 20 | 75 |
| 21 | 1 |
| 22 | 55412500 |
| 23 | 11495000 |
| 24 | 1254000 |
| 25 | 85000 |
| 26 | 3625 |
| 27 | 90 |
| 28 | 1 |
| 29 | 1246781250 |
| 30 | 279675000 |
| 31 | 34093125 |
| 32 | 2698875 |
| 33 | 143750 |
| 34 | 5025 |
| 35 | 105 |
| 36 | 1 |
| 37 | 28398906250 |
| 38 | 6802812500 |
[1,15,1,275,30,1,5500,775,45,1,115500,19250,1500, 60,1,2502500,471625,44625,2450,75,1,55412500, 11495000,1254000,85000,3625,90,1,1246781250, 279675000,34093125,2698875,143750,5025,105,1, 28398906250,6802812500] |