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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 2 |
| 6 | 1 |
| 7 | 5 |
| 8 | 2 |
| 9 | 9 |
| 10 | 3 |
| 11 | 28 |
| 12 | 6 |
| 13 | 76 |
| 14 | 13 |
| 15 | 295 |
| 16 | 41 |
| 17 | 1196 |
| 18 | 134 |
| 19 | 6337 |
| 20 | 523 |
| 21 | 36933 |
| 22 | 2341 |
| 23 | 266568 |
| 24 | 13112 |
| 25 | 2186885 |
| 26 | 85330 |
| 27 | 21909179 |
| 28 | 657274 |
| 29 | 253725200 |
| 30 | 5867785 |
[1,1,2,1,2,1,5,2,9,3,28,6,76,13,295,41,1196,134, 6337,523,36933,2341,266568,13112,2186885,85330, 21909179,657274,253725200,5867785] |