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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 0 |
| 7 | 1 |
| 8 | 2 |
| 9 | 4 |
| 10 | 0 |
| 11 | 1 |
| 12 | 3 |
| 13 | 20 |
| 14 | 38 |
| 15 | 0 |
| 16 | 1 |
| 17 | 4 |
| 18 | 54 |
| 19 | 624 |
| 20 | 728 |
| 21 | 0 |
| 22 | 1 |
| 23 | 5 |
| 24 | 112 |
| 25 | 3834 |
| 26 | 55248 |
| 27 | 26704 |
| 28 | 0 |
| 29 | 1 |
| 30 | 6 |
| 31 | 200 |
| 32 | 15104 |
| 33 | 1027080 |
| 34 | 13982208 |
| 35 | 1866256 |
| 36 | 0 |
| 37 | 1 |
| 38 | 7 |
| 39 | 324 |
| 40 | 45750 |
| 41 | 9684224 |
| 42 | 1067308488 |
| 43 | 10358360640 |
| 44 | 251548592 |
| 45 | 0 |
| 46 | 1 |
| 47 | 8 |
| 48 | 490 |
| 49 | 116208 |
| 50 | 60225000 |
| 51 | 30458183680 |
| 52 | 4390480193904 |
| 53 | 22792648882176 |
| 54 | 66296291072 |
| 55 | 0 |
[1,1,0,1,1,0,1,2,4,0,1,3,20,38,0,1,4,54,624,728,0, 1,5,112,3834,55248,26704,0,1,6,200,15104,1027080, 13982208,1866256,0,1,7,324,45750,9684224, 1067308488,10358360640,251548592,0,1,8,490,116208, 60225000,30458183680,4390480193904,22792648882176, 66296291072,0] |