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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 4 |
| 6 | 1 |
| 7 | 3 |
| 8 | 1 |
| 9 | 30 |
| 10 | 13 |
| 11 | 33 |
| 12 | 32 |
| 13 | 6 |
| 14 | 546 |
| 15 | 421 |
| 16 | 1302 |
| 17 | 1915 |
| 18 | 1510 |
| 19 | 693 |
| 20 | 316 |
| 21 | 135 |
| 22 | 45 |
| 23 | 10 |
| 24 | 1 |
[1,0,1,1,1,4,1,3,1,30,13,33,32,6,546,421,1302, 1915,1510,693,316,135,45,10,1] |