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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 11 |
| 8 | 20 |
| 9 | 31 |
| 10 | 48 |
| 11 | 79 |
| 12 | 130 |
| 13 | 209 |
| 14 | 336 |
| 15 | 545 |
| 16 | 884 |
| 17 | 1429 |
| 18 | 2310 |
| 19 | 3739 |
| 20 | 6052 |
| 21 | 9791 |
| 22 | 15840 |
| 23 | 25631 |
| 24 | 41474 |
| 25 | 67105 |
| 26 | 108576 |
| 27 | 175681 |
| 28 | 284260 |
| 29 | 459941 |
| 30 | 744198 |
| 31 | 1204139 |
| 32 | 1948340 |
| 33 | 3152479 |
| 34 | 5100816 |
| 35 | 8253295 |
| 36 | 13354114 |
| 37 | 21607409 |
| 38 | 34961520 |
| 39 | 56568929 |
| 40 | 91530452 |
[2,1,0,1,4,5,6,11,20,31,48,79,130,209,336,545,884, 1429,2310,3739,6052,9791,15840,25631,41474,67105, 108576,175681,284260,459941,744198,1204139, 1948340,3152479,5100816,8253295,13354114,21607409, 34961520,56568929,91530452] |