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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 1 |
| 6 | 1 |
| 7 | 21 |
| 8 | 21 |
| 9 | 1 |
| 10 | 1 |
| 11 | 105 |
| 12 | 735 |
| 13 | 105 |
| 14 | 1 |
| 15 | 1 |
| 16 | 465 |
| 17 | 16275 |
| 18 | 16275 |
| 19 | 465 |
| 20 | 1 |
| 21 | 1 |
| 22 | 1953 |
| 23 | 302715 |
| 24 | 1513575 |
| 25 | 302715 |
| 26 | 1953 |
| 27 | 1 |
| 28 | 1 |
| 29 | 8001 |
| 30 | 5208651 |
| 31 | 115334415 |
| 32 | 115334415 |
| 33 | 5208651 |
| 34 | 8001 |
| 35 | 1 |
| 36 | 1 |
| 37 | 32385 |
| 38 | 86370795 |
| 39 | 8032483935 |
| 40 | 35572428855 |
| 41 | 8032483935 |
[1,1,1,1,3,1,1,21,21,1,1,105,735,105,1,1,465, 16275,16275,465,1,1,1953,302715,1513575,302715, 1953,1,1,8001,5208651,115334415,115334415,5208651, 8001,1,1,32385,86370795,8032483935,35572428855, 8032483935] |