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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | 2 |
| 3 | -3 |
| 4 | 5 |
| 5 | -7 |
| 6 | 10 |
| 7 | -14 |
| 8 | 20 |
| 9 | -27 |
| 10 | 36 |
| 11 | -48 |
| 12 | 63 |
| 13 | -82 |
| 14 | 106 |
| 15 | -137 |
| 16 | 175 |
| 17 | -222 |
| 18 | 280 |
| 19 | -352 |
| 20 | 439 |
| 21 | -546 |
| 22 | 676 |
| 23 | -834 |
| 24 | 1024 |
| 25 | -1253 |
| 26 | 1528 |
| 27 | -1857 |
| 28 | 2250 |
| 29 | -2718 |
| 30 | 3276 |
| 31 | -3936 |
| 32 | 4718 |
| 33 | -5640 |
| 34 | 6728 |
| 35 | -8006 |
| 36 | 9507 |
| 37 | -11266 |
| 38 | 13324 |
| 39 | -15726 |
| 40 | 18526 |
| 41 | -21786 |
| 42 | 25574 |
| 43 | -29970 |
| 44 | 35064 |
[1,-1,2,-3,5,-7,10,-14,20,-27,36,-48,63,-82,106, -137,175,-222,280,-352,439,-546,676,-834,1024, -1253,1528,-1857,2250,-2718,3276,-3936,4718,-5640, 6728,-8006,9507,-11266,13324,-15726,18526,-21786, 25574,-29970,35064] |