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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -2 |
| 2 | 2 |
| 3 | 1 |
| 4 | 9 |
| 5 | 12 |
| 6 | 33 |
| 7 | 49 |
| 8 | 106 |
| 9 | 163 |
| 10 | 317 |
| 11 | 496 |
| 12 | 909 |
| 13 | 1437 |
| 14 | 2538 |
| 15 | 4039 |
| 16 | 6961 |
| 17 | 11128 |
| 18 | 18857 |
| 19 | 30241 |
| 20 | 50634 |
| 21 | 81387 |
| 22 | 135093 |
| 23 | 217504 |
| 24 | 358741 |
| 25 | 578293 |
| 26 | 949322 |
| 27 | 1531711 |
| 28 | 2505609 |
| 29 | 4045512 |
| 30 | 6600273 |
| 31 | 10662169 |
| 32 | 17360746 |
| 33 | 28055683 |
| 34 | 45613037 |
| 35 | 73734256 |
| 36 | 119740509 |
| 37 | 193605837 |
[1,-2,2,1,9,12,33,49,106,163,317,496,909,1437, 2538,4039,6961,11128,18857,30241,50634,81387, 135093,217504,358741,578293,949322,1531711, 2505609,4045512,6600273,10662169,17360746, 28055683,45613037,73734256,119740509,193605837] |