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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] |