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| n | a(n) |
|---|---|
| -1 | 1 |
| 0 | 2 |
| 1 | -1 |
| 2 | 0 |
| 3 | 3 |
| 4 | 0 |
| 5 | 3 |
| 6 | -4 |
| 7 | 0 |
| 8 | 2 |
| 9 | 3 |
| 10 | 8 |
| 11 | -4 |
| 12 | 0 |
| 13 | 9 |
| 14 | 4 |
| 15 | 12 |
| 16 | -10 |
| 17 | 0 |
| 18 | 8 |
| 19 | 10 |
| 20 | 26 |
| 21 | -14 |
| 22 | 0 |
| 23 | 23 |
| 24 | 10 |
| 25 | 35 |
| 26 | -28 |
| 27 | 0 |
| 28 | 26 |
| 29 | 26 |
| 30 | 64 |
| 31 | -39 |
| 32 | 0 |
| 33 | 57 |
| 34 | 28 |
| 35 | 89 |
| 36 | -66 |
| 37 | 0 |
| 38 | 64 |
| 39 | 56 |
| 40 | 150 |
| 41 | -91 |
| 42 | 0 |
| 43 | 125 |
| 44 | 66 |
| 45 | 202 |
| 46 | -148 |
| 47 | 0 |
| 48 | 148 |
| 49 | 120 |
| 50 | 320 |
| 51 | -198 |
| 52 | 0 |
| 53 | 259 |
| 54 | 144 |
| 55 | 429 |
| 56 | -302 |
| 57 | 0 |
| 58 | 312 |
| 59 | 243 |
| 60 | 648 |
| 61 | -405 |
| 62 | 0 |
| 63 | 511 |
| 64 | 292 |
| 65 | 860 |
| 66 | -600 |
| 67 | 0 |
| 68 | 622 |
[1,2,-1,0,3,0,3,-4,0,2,3,8,-4,0,9,4,12,-10,0,8,10, 26,-14,0,23,10,35,-28,0,26,26,64,-39,0,57,28,89, -66,0,64,56,150,-91,0,125,66,202,-148,0,148,120, 320,-198,0,259,144,429,-302,0,312,243,648,-405,0, 511,292,860,-600,0,622] |