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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 1 |
| 4 | 91 |
| 5 | 21 |
| 6 | 1 |
| 7 | 1729 |
| 8 | 511 |
| 9 | 42 |
| 10 | 1 |
| 11 | 43225 |
| 12 | 15015 |
| 13 | 1645 |
| 14 | 70 |
| 15 | 1 |
| 16 | 1339975 |
| 17 | 523705 |
| 18 | 69300 |
| 19 | 4025 |
| 20 | 105 |
| 21 | 1 |
| 22 | 49579075 |
| 23 | 21240765 |
| 24 | 3226405 |
| 25 | 230300 |
| 26 | 8330 |
| 27 | 147 |
| 28 | 1 |
| 29 | 2131900225 |
| 30 | 984172735 |
| 31 | 166428990 |
| 32 | 13820205 |
| 33 | 621810 |
| 34 | 15386 |
| 35 | 196 |
| 36 | 1 |
| 37 | 104463111025 |
[1,7,1,91,21,1,1729,511,42,1,43225,15015,1645,70, 1,1339975,523705,69300,4025,105,1,49579075, 21240765,3226405,230300,8330,147,1,2131900225, 984172735,166428990,13820205,621810,15386,196,1, 104463111025] |