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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 2 |
| 6 | 6 |
| 7 | 7 |
| 8 | 1 |
| 9 | 16 |
| 10 | 20 |
| 11 | 6 |
| 12 | 40 |
| 13 | 64 |
| 14 | 26 |
| 15 | 2 |
| 16 | 109 |
| 17 | 196 |
| 18 | 108 |
| 19 | 16 |
| 20 | 297 |
| 21 | 619 |
| 22 | 414 |
| 23 | 96 |
| 24 | 4 |
| 25 | 836 |
| 26 | 1940 |
| 27 | 1557 |
| 28 | 484 |
| 29 | 45 |
| 30 | 2377 |
| 31 | 6142 |
| 32 | 5690 |
| 33 | 2247 |
| 34 | 331 |
| 35 | 9 |
| 36 | 6869 |
| 37 | 19454 |
| 38 | 20535 |
| 39 | 9792 |
| 40 | 2010 |
| 41 | 126 |
| 42 | 20042 |
| 43 | 61893 |
| 44 | 73123 |
| 45 | 40997 |
| 46 | 10820 |
| 47 | 1116 |
| 48 | 21 |
| 49 | 59071 |
| 50 | 197280 |
| 51 | 258220 |
[1,1,1,1,3,2,6,7,1,16,20,6,40,64,26,2,109,196,108, 16,297,619,414,96,4,836,1940,1557,484,45,2377, 6142,5690,2247,331,9,6869,19454,20535,9792,2010, 126,20042,61893,73123,40997,10820,1116,21,59071, 197280,258220] |