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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 2 |
| 3 | 0 |
| 4 | -2 |
| 5 | 3 |
| 6 | 0 |
| 7 | 2 |
| 8 | -3 |
| 9 | 4 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | -4 |
| 14 | 5 |
| 15 | 0 |
| 16 | -2 |
| 17 | 3 |
| 18 | 0 |
| 19 | -5 |
| 20 | 6 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 0 |
| 25 | 0 |
| 26 | -6 |
| 27 | 7 |
| 28 | 0 |
| 29 | 2 |
| 30 | -3 |
| 31 | 4 |
| 32 | 0 |
| 33 | 0 |
| 34 | -7 |
| 35 | 8 |
| 36 | 0 |
| 37 | 0 |
| 38 | 0 |
| 39 | 0 |
| 40 | 0 |
| 41 | 0 |
| 42 | 0 |
| 43 | -8 |
| 44 | 9 |
| 45 | 0 |
| 46 | 0 |
| 47 | 0 |
| 48 | -4 |
| 49 | 5 |
| 50 | 0 |
| 51 | 0 |
| 52 | 0 |
| 53 | -9 |
| 54 | 10 |
| 55 | 0 |
| 56 | 0 |
[1,0,2,0,-2,3,0,2,-3,4,0,0,0,-4,5,0,-2,3,0,-5,6,0, 0,0,0,0,-6,7,0,2,-3,4,0,0,-7,8,0,0,0,0,0,0,0,-8,9, 0,0,0,-4,5,0,0,0,-9,10,0,0] |