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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 3 |
| 5 | 15 |
| 6 | 15 |
| 7 | 105 |
| 8 | 210 |
| 9 | 70 |
| 10 | 70 |
| 11 | 770 |
| 12 | 770 |
| 13 | 10010 |
| 14 | 10010 |
| 15 | 10010 |
| 16 | 5005 |
| 17 | 85085 |
| 18 | 85085 |
| 19 | 1616615 |
| 20 | 1616615 |
| 21 | 1616615 |
| 22 | 1616615 |
| 23 | 37182145 |
| 24 | 37182145 |
| 25 | 7436429 |
| 26 | 7436429 |
| 27 | 22309287 |
| 28 | 22309287 |
| 29 | 646969323 |
| 30 | 646969323 |
| 31 | 20056049013 |
| 32 | 40112098026 |
| 33 | 40112098026 |
| 34 | 40112098026 |
[1,1,2,6,3,15,15,105,210,70,70,770,770,10010, 10010,10010,5005,85085,85085,1616615,1616615, 1616615,1616615,37182145,37182145,7436429,7436429, 22309287,22309287,646969323,646969323,20056049013, 40112098026,40112098026,40112098026] |