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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 7 |
| 6 | 2 |
| 7 | 3 |
| 8 | 20 |
| 9 | 20 |
| 10 | 3 |
| 11 | 5 |
| 12 | 65 |
| 13 | 120 |
| 14 | 65 |
| 15 | 5 |
| 16 | 8 |
| 17 | 203 |
| 18 | 698 |
| 19 | 698 |
| 20 | 203 |
| 21 | 8 |
| 22 | 13 |
| 23 | 648 |
| 24 | 4080 |
| 25 | 7407 |
| 26 | 4080 |
| 27 | 648 |
| 28 | 13 |
| 29 | 21 |
| 30 | 2057 |
| 31 | 24074 |
| 32 | 79785 |
| 33 | 79785 |
| 34 | 24074 |
| 35 | 2057 |
| 36 | 21 |
| 37 | 34 |
| 38 | 6527 |
| 39 | 141856 |
| 40 | 855746 |
| 41 | 1563352 |
| 42 | 855746 |
| 43 | 141856 |
| 44 | 6527 |
| 45 | 34 |
| 46 | 55 |
| 47 | 20740 |
| 48 | 833758 |
| 49 | 9248339 |
| 50 | 31096170 |
[1,1,1,2,7,2,3,20,20,3,5,65,120,65,5,8,203,698, 698,203,8,13,648,4080,7407,4080,648,13,21,2057, 24074,79785,79785,24074,2057,21,34,6527,141856, 855746,1563352,855746,141856,6527,34,55,20740, 833758,9248339,31096170] |