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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 15 |
| 3 | 1 |
| 4 | 435 |
| 5 | 45 |
| 6 | 1 |
| 7 | 18705 |
| 8 | 2415 |
| 9 | 90 |
| 10 | 1 |
| 11 | 1066185 |
| 12 | 158775 |
| 13 | 7725 |
| 14 | 150 |
| 15 | 1 |
| 16 | 75699135 |
| 17 | 12497985 |
| 18 | 722700 |
| 19 | 18825 |
| 20 | 225 |
| 21 | 1 |
| 22 | 6434426475 |
| 23 | 1150525845 |
| 24 | 75372885 |
| 25 | 2379300 |
| 26 | 38850 |
| 27 | 315 |
| 28 | 1 |
| 29 | 637008221025 |
| 30 | 121487010975 |
| 31 | 8763187230 |
| 32 | 318061485 |
| 33 | 6380850 |
| 34 | 71610 |
| 35 | 420 |
| 36 | 1 |
[1,15,1,435,45,1,18705,2415,90,1,1066185,158775, 7725,150,1,75699135,12497985,722700,18825,225,1, 6434426475,1150525845,75372885,2379300,38850,315, 1,637008221025,121487010975,8763187230,318061485, 6380850,71610,420,1] |