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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 9 |
| 10 | 9 |
| 11 | 25 |
| 12 | 25 |
| 13 | 93 |
| 14 | 93 |
| 15 | 589 |
| 16 | 589 |
| 17 | 6735 |
| 18 | 6735 |
| 19 | 107293 |
| 20 | 107293 |
| 21 | 1848191 |
| 22 | 1848191 |
| 23 | 45715541 |
| 24 | 45715541 |
| 25 | 1702371353 |
| 26 | 1702371353 |
[1,1,1,1,1,1,1,1,9,9,25,25,93,93,589,589,6735, 6735,107293,107293,1848191,1848191,45715541, 45715541,1702371353,1702371353] |