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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 2 |
| 7 | 3 |
| 8 | 3 |
| 9 | 6 |
| 10 | 8 |
| 11 | 12 |
| 12 | 19 |
| 13 | 29 |
| 14 | 45 |
| 15 | 69 |
| 16 | 106 |
| 17 | 164 |
| 18 | 254 |
| 19 | 395 |
| 20 | 615 |
| 21 | 960 |
| 22 | 1500 |
| 23 | 2346 |
| 24 | 3672 |
| 25 | 5751 |
| 26 | 9012 |
| 27 | 14129 |
| 28 | 22159 |
| 29 | 34768 |
| 30 | 54578 |
| 31 | 85730 |
| 32 | 134763 |
| 33 | 212017 |
| 34 | 333860 |
| 35 | 526226 |
| 36 | 830230 |
| 37 | 1311088 |
| 38 | 2072264 |
| 39 | 3277910 |
| 40 | 5188460 |
| 41 | 8217094 |
[1,0,0,1,0,1,2,3,3,6,8,12,19,29,45,69,106,164,254, 395,615,960,1500,2346,3672,5751,9012,14129,22159, 34768,54578,85730,134763,212017,333860,526226, 830230,1311088,2072264,3277910,5188460,8217094] |