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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 5 |
| 5 | 5 |
| 6 | 14 |
| 7 | 21 |
| 8 | 1 |
| 9 | 42 |
| 10 | 84 |
| 11 | 11 |
| 12 | 132 |
| 13 | 330 |
| 14 | 80 |
| 15 | 1 |
| 16 | 429 |
| 17 | 1287 |
| 18 | 484 |
| 19 | 19 |
| 20 | 1430 |
| 21 | 5005 |
| 22 | 2639 |
| 23 | 210 |
| 24 | 1 |
| 25 | 4862 |
| 26 | 19448 |
| 27 | 13468 |
| 28 | 1780 |
| 29 | 29 |
| 30 | 16796 |
| 31 | 75582 |
| 32 | 65688 |
| 33 | 12852 |
| 34 | 450 |
| 35 | 1 |
| 36 | 58786 |
| 37 | 293930 |
| 38 | 310080 |
| 39 | 83334 |
| 40 | 5065 |
| 41 | 41 |
| 42 | 208012 |
| 43 | 1144066 |
| 44 | 1428306 |
| 45 | 500346 |
| 46 | 46640 |
[1,1,2,1,5,5,14,21,1,42,84,11,132,330,80,1,429, 1287,484,19,1430,5005,2639,210,1,4862,19448,13468, 1780,29,16796,75582,65688,12852,450,1,58786, 293930,310080,83334,5065,41,208012,1144066, 1428306,500346,46640] |