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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 25 |
| 12 | 25 |
| 13 | 141 |
| 14 | 141 |
| 15 | 673 |
| 16 | 673 |
| 17 | 9515 |
| 18 | 9515 |
| 19 | 128879 |
| 20 | 128879 |
| 21 | 2409621 |
| 22 | 2409621 |
| 23 | 79940355 |
| 24 | 79940355 |
[1,1,1,1,1,1,1,1,1,1,25,25,141,141,673,673,9515, 9515,128879,128879,2409621,2409621,79940355, 79940355] |