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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 0 |
| 5 | 1 |
| 6 | 0 |
| 7 | 8 |
| 8 | 0 |
| 9 | 1 |
| 10 | 20 |
| 11 | 0 |
| 12 | 15 |
| 13 | 0 |
| 14 | 1 |
| 15 | 0 |
| 16 | 75 |
| 17 | 0 |
| 18 | 24 |
| 19 | 0 |
| 20 | 1 |
| 21 | 175 |
| 22 | 0 |
| 23 | 189 |
| 24 | 0 |
| 25 | 35 |
| 26 | 0 |
| 27 | 1 |
| 28 | 0 |
| 29 | 784 |
| 30 | 0 |
| 31 | 392 |
| 32 | 0 |
| 33 | 48 |
| 34 | 0 |
| 35 | 1 |
| 36 | 1764 |
| 37 | 0 |
| 38 | 2352 |
| 39 | 0 |
| 40 | 720 |
| 41 | 0 |
| 42 | 63 |
| 43 | 0 |
| 44 | 1 |
| 45 | 0 |
| 46 | 8820 |
| 47 | 0 |
| 48 | 5760 |
| 49 | 0 |
| 50 | 1215 |
| 51 | 0 |
| 52 | 80 |
| 53 | 0 |
| 54 | 1 |
| 55 | 19404 |
| 56 | 0 |
| 57 | 29700 |
| 58 | 0 |
| 59 | 12375 |
| 60 | 0 |
| 61 | 1925 |
| 62 | 0 |
| 63 | 99 |
| 64 | 0 |
| 65 | 1 |
[1,0,1,3,0,1,0,8,0,1,20,0,15,0,1,0,75,0,24,0,1, 175,0,189,0,35,0,1,0,784,0,392,0,48,0,1,1764,0, 2352,0,720,0,63,0,1,0,8820,0,5760,0,1215,0,80,0,1, 19404,0,29700,0,12375,0,1925,0,99,0,1] |