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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | -1 |
| 5 | 0 |
| 6 | 2 |
| 7 | 0 |
| 8 | -2 |
| 9 | 0 |
| 10 | 3 |
| 11 | 2 |
| 12 | -2 |
| 13 | -3 |
| 14 | 0 |
| 15 | 4 |
| 16 | 5 |
| 17 | 0 |
| 18 | -5 |
| 19 | -4 |
| 20 | 0 |
| 21 | 5 |
| 22 | 9 |
| 23 | 5 |
| 24 | -5 |
| 25 | -9 |
| 26 | -5 |
| 27 | 0 |
| 28 | 6 |
| 29 | 14 |
| 30 | 14 |
| 31 | 0 |
| 32 | -14 |
| 33 | -14 |
| 34 | -6 |
| 35 | 0 |
| 36 | 7 |
| 37 | 20 |
| 38 | 28 |
| 39 | 14 |
| 40 | -14 |
| 41 | -28 |
| 42 | -20 |
| 43 | -7 |
| 44 | 0 |
| 45 | 8 |
| 46 | 27 |
| 47 | 48 |
| 48 | 42 |
| 49 | 0 |
| 50 | -42 |
| 51 | -48 |
| 52 | -27 |
| 53 | -8 |
| 54 | 0 |
| 55 | 9 |
| 56 | 35 |
| 57 | 75 |
| 58 | 90 |
| 59 | 42 |
| 60 | -42 |
| 61 | -90 |
| 62 | -75 |
| 63 | -35 |
| 64 | -9 |
| 65 | 0 |
| 66 | 10 |
| 67 | 44 |
| 68 | 110 |
[0,0,0,1,-1,0,2,0,-2,0,3,2,-2,-3,0,4,5,0,-5,-4,0, 5,9,5,-5,-9,-5,0,6,14,14,0,-14,-14,-6,0,7,20,28, 14,-14,-28,-20,-7,0,8,27,48,42,0,-42,-48,-27,-8,0, 9,35,75,90,42,-42,-90,-75,-35,-9,0,10,44,110] |