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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -3 |
| 2 | 4 |
| 3 | -5 |
| 4 | 8 |
| 5 | -14 |
| 6 | 20 |
| 7 | -25 |
| 8 | 37 |
| 9 | -54 |
| 10 | 71 |
| 11 | -91 |
| 12 | 121 |
| 13 | -164 |
| 14 | 210 |
| 15 | -264 |
| 16 | 343 |
| 17 | -443 |
| 18 | 554 |
| 19 | -687 |
| 20 | 863 |
| 21 | -1087 |
| 22 | 1340 |
| 23 | -1637 |
| 24 | 2021 |
| 25 | -2489 |
| 26 | 3027 |
| 27 | -3659 |
| 28 | 4442 |
| 29 | -5391 |
| 30 | 6480 |
| 31 | -7755 |
| 32 | 9306 |
| 33 | -11153 |
| 34 | 13278 |
| 35 | -15752 |
| 36 | 18711 |
| 37 | -22203 |
| 38 | 26214 |
| 39 | -30860 |
| 40 | 36354 |
| 41 | -42777 |
| 42 | 50137 |
| 43 | -58628 |
[1,-3,4,-5,8,-14,20,-25,37,-54,71,-91,121,-164, 210,-264,343,-443,554,-687,863,-1087,1340,-1637, 2021,-2489,3027,-3659,4442,-5391,6480,-7755,9306, -11153,13278,-15752,18711,-22203,26214,-30860, 36354,-42777,50137,-58628] |