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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | 2 |
| 8 | 4 |
| 9 | 0 |
| 10 | 1 |
| 11 | 3 |
| 12 | 12 |
| 13 | 21 |
| 14 | 0 |
| 15 | 1 |
| 16 | 4 |
| 17 | 24 |
| 18 | 102 |
| 19 | 148 |
| 20 | 0 |
| 21 | 1 |
| 22 | 5 |
| 23 | 40 |
| 24 | 279 |
| 25 | 1160 |
| 26 | 1305 |
| 27 | 0 |
| 28 | 1 |
| 29 | 6 |
| 30 | 60 |
| 31 | 588 |
| 32 | 4332 |
| 33 | 16490 |
| 34 | 13806 |
| 35 | 0 |
| 36 | 1 |
| 37 | 7 |
| 38 | 84 |
| 39 | 1065 |
| 40 | 11536 |
| 41 | 84075 |
| 42 | 281292 |
| 43 | 170401 |
| 44 | 0 |
| 45 | 1 |
| 46 | 8 |
| 47 | 112 |
| 48 | 1746 |
| 49 | 25220 |
| 50 | 282900 |
| 51 | 1958058 |
| 52 | 5598110 |
| 53 | 2403640 |
| 54 | 0 |
[1,1,0,1,1,0,1,2,4,0,1,3,12,21,0,1,4,24,102,148,0, 1,5,40,279,1160,1305,0,1,6,60,588,4332,16490, 13806,0,1,7,84,1065,11536,84075,281292,170401,0,1, 8,112,1746,25220,282900,1958058,5598110,2403640,0] |