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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 3 |
| 8 | 0 |
| 9 | 0 |
| 10 | 3 |
| 11 | 3 |
| 12 | 8 |
| 13 | 16 |
| 14 | 8 |
| 15 | 3 |
| 16 | 9 |
| 17 | 24 |
| 18 | 117 |
| 19 | 117 |
| 20 | 24 |
| 21 | 9 |
| 22 | 15 |
| 23 | 88 |
| 24 | 483 |
| 25 | 864 |
| 26 | 483 |
| 27 | 88 |
| 28 | 15 |
| 29 | 31 |
| 30 | 284 |
| 31 | 2001 |
| 32 | 5628 |
| 33 | 5628 |
| 34 | 2001 |
| 35 | 284 |
| 36 | 31 |
| 37 | 57 |
| 38 | 772 |
| 39 | 7709 |
| 40 | 34764 |
| 41 | 57248 |
| 42 | 34764 |
| 43 | 7709 |
| 44 | 772 |
| 45 | 57 |
| 46 | 108 |
| 47 | 2000 |
| 48 | 28139 |
| 49 | 203226 |
| 50 | 557163 |
| 51 | 557163 |
| 52 | 203226 |
| 53 | 28139 |
| 54 | 2000 |
| 55 | 108 |
| 56 | 199 |
[0,1,1,0,0,0,3,0,0,3,3,8,16,8,3,9,24,117,117,24,9, 15,88,483,864,483,88,15,31,284,2001,5628,5628, 2001,284,31,57,772,7709,34764,57248,34764,7709, 772,57,108,2000,28139,203226,557163,557163,203226, 28139,2000,108,199] |