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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 0 |
| 7 | 3 |
| 8 | 2 |
| 9 | 1 |
| 10 | 0 |
| 11 | 15 |
| 12 | 7 |
| 13 | 3 |
| 14 | 1 |
| 15 | 0 |
| 16 | 105 |
| 17 | 36 |
| 18 | 12 |
| 19 | 4 |
| 20 | 1 |
| 21 | 0 |
| 22 | 945 |
| 23 | 249 |
| 24 | 64 |
| 25 | 18 |
| 26 | 5 |
| 27 | 1 |
| 28 | 0 |
| 29 | 10395 |
| 30 | 2190 |
| 31 | 441 |
| 32 | 100 |
| 33 | 25 |
| 34 | 6 |
| 35 | 1 |
| 36 | 0 |
| 37 | 135135 |
| 38 | 23535 |
| 39 | 3807 |
| 40 | 691 |
| 41 | 145 |
| 42 | 33 |
| 43 | 7 |
| 44 | 1 |
| 45 | 0 |
| 46 | 2027025 |
| 47 | 299880 |
| 48 | 40032 |
| 49 | 5880 |
| 50 | 1010 |
| 51 | 200 |
| 52 | 42 |
| 53 | 8 |
| 54 | 1 |
[1,0,1,0,1,1,0,3,2,1,0,15,7,3,1,0,105,36,12,4,1,0, 945,249,64,18,5,1,0,10395,2190,441,100,25,6,1,0, 135135,23535,3807,691,145,33,7,1,0,2027025,299880, 40032,5880,1010,200,42,8,1] |