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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 1 |
| 5 | 30 |
| 6 | 1 |
| 7 | 32 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 20554 |
| 12 | 1 |
| 13 | 23522 |
| 14 | 1 |
| 15 | 1013500 |
| 16 | 1 |
| 17 | 29130218 |
| 18 | 1 |
| 19 | 3123943068 |
| 20 | 1 |
[1,1,4,1,30,1,32,1,1,1,20554,1,23522,1,1013500,1, 29130218,1,3123943068,1] |