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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -2 |
| 2 | 2 |
| 3 | 4 |
| 4 | 3 |
| 5 | -2 |
| 6 | 6 |
| 7 | 4 |
| 8 | 7 |
| 9 | -12 |
| 10 | 10 |
| 11 | 16 |
| 12 | 16 |
| 13 | -14 |
| 14 | 20 |
| 15 | 20 |
| 16 | 29 |
| 17 | -40 |
| 18 | 40 |
| 19 | 52 |
| 20 | 52 |
| 21 | -52 |
| 22 | 70 |
| 23 | 68 |
| 24 | 91 |
| 25 | -114 |
| 26 | 116 |
| 27 | 148 |
| 28 | 149 |
| 29 | -152 |
| 30 | 190 |
| 31 | 196 |
| 32 | 242 |
| 33 | -296 |
| 34 | 306 |
| 35 | 368 |
| 36 | 383 |
| 37 | -396 |
| 38 | 478 |
| 39 | 496 |
| 40 | 590 |
| 41 | -698 |
| 42 | 730 |
| 43 | 856 |
| 44 | 897 |
| 45 | -940 |
| 46 | 1096 |
| 47 | 1152 |
| 48 | 1342 |
| 49 | -1548 |
| 50 | 1630 |
| 51 | 1876 |
| 52 | 1975 |
| 53 | -2080 |
| 54 | 2390 |
| 55 | 2516 |
[1,-2,2,4,3,-2,6,4,7,-12,10,16,16,-14,20,20,29, -40,40,52,52,-52,70,68,91,-114,116,148,149,-152, 190,196,242,-296,306,368,383,-396,478,496,590, -698,730,856,897,-940,1096,1152,1342,-1548,1630, 1876,1975,-2080,2390,2516] |