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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | -3 |
| 4 | -1 |
| 5 | 3 |
| 6 | 3 |
| 7 | -1 |
| 8 | 1 |
| 9 | 7 |
| 10 | 9 |
| 11 | 9 |
| 12 | 17 |
| 13 | 33 |
| 14 | 51 |
| 15 | 77 |
| 16 | 127 |
| 17 | 211 |
| 18 | 339 |
| 19 | 543 |
| 20 | 881 |
| 21 | 1431 |
| 22 | 2313 |
| 23 | 3737 |
| 24 | 6049 |
| 25 | 9793 |
| 26 | 15843 |
| 27 | 25629 |
| 28 | 41471 |
| 29 | 67107 |
| 30 | 108579 |
| 31 | 175679 |
| 32 | 284257 |
| 33 | 459943 |
| 34 | 744201 |
| 35 | 1204137 |
| 36 | 1948337 |
| 37 | 3152481 |
| 38 | 5100819 |
| 39 | 8253293 |
| 40 | 13354111 |
| 41 | 21607411 |
| 42 | 34961523 |
[1,1,3,-3,-1,3,3,-1,1,7,9,9,17,33,51,77,127,211, 339,543,881,1431,2313,3737,6049,9793,15843,25629, 41471,67107,108579,175679,284257,459943,744201, 1204137,1948337,3152481,5100819,8253293,13354111, 21607411,34961523] |