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