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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 | 3 |
| 12 | 3 |
| 13 | 13 |
| 14 | 13 |
| 15 | 41 |
| 16 | 41 |
| 17 | 219 |
| 18 | 219 |
| 19 | 1033 |
| 20 | 1033 |
| 21 | 8217 |
| 22 | 8217 |
| 23 | 92671 |
| 24 | 92671 |
| 25 | 1241193 |
| 26 | 1241193 |
| 27 | 21102313 |
[1,1,1,1,1,1,1,1,1,1,3,3,13,13,41,41,219,219,1033, 1033,8217,8217,92671,92671,1241193,1241193, 21102313] |