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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 5 |
| 6 | 1 |
| 7 | 9 |
| 8 | 1 |
| 9 | 54 |
| 10 | 15 |
| 11 | 1010 |
| 12 | 305 |
| 13 | 26482 |
| 14 | 3993 |
| 15 | 1090248 |
| 16 | 85931 |
| 17 | 79078189 |
| 18 | 4847983 |
| 19 | 11622838412 |
| 20 | 605747926 |
| 21 | 3166762458310 |
| 22 | 124132744693 |
| 23 | 1523768055043582 |
| 24 | 41573048881668 |
[1,1,1,1,5,1,9,1,54,15,1010,305,26482,3993, 1090248,85931,79078189,4847983,11622838412, 605747926,3166762458310,124132744693, 1523768055043582,41573048881668] |