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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 6 |
| 6 | 4 |
| 7 | 1 |
| 8 | 14 |
| 9 | 54 |
| 10 | 8 |
| 11 | 1 |
| 12 | 34 |
| 13 | 420 |
| 14 | 600 |
| 15 | 16 |
| 16 | 1 |
| 17 | 92 |
| 18 | 3088 |
| 19 | 18332 |
| 20 | 9102 |
| 21 | 32 |
| 22 | 1 |
| 23 | 258 |
| 24 | 25226 |
| 25 | 480440 |
| 26 | 1261420 |
| 27 | 188472 |
| 28 | 64 |
| 29 | 1 |
| 30 | 722 |
| 31 | 239994 |
| 32 | 13522204 |
| 33 | 135988690 |
| 34 | 134871120 |
| 35 | 5118012 |
| 36 | 128 |
| 37 | 1 |
| 38 | 2022 |
| 39 | 2338286 |
| 40 | 492613956 |
| 41 | 14911788936 |
| 42 | 69071316466 |
[1,1,2,1,6,4,1,14,54,8,1,34,420,600,16,1,92,3088, 18332,9102,32,1,258,25226,480440,1261420,188472, 64,1,722,239994,13522204,135988690,134871120, 5118012,128,1,2022,2338286,492613956,14911788936, 69071316466] |