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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 2 |
| 3 | 2 |
| 4 | 5 |
| 5 | 8 |
| 6 | 15 |
| 7 | 26 |
| 8 | 46 |
| 9 | 80 |
| 10 | 139 |
| 11 | 240 |
| 12 | 413 |
| 13 | 708 |
| 14 | 1210 |
| 15 | 2062 |
| 16 | 3505 |
| 17 | 5944 |
| 18 | 10059 |
| 19 | 16990 |
| 20 | 28646 |
| 21 | 48220 |
| 22 | 81047 |
| 23 | 136032 |
| 24 | 228025 |
| 25 | 381768 |
| 26 | 638450 |
| 27 | 1066586 |
| 28 | 1780061 |
| 29 | 2968040 |
| 30 | 4944519 |
| 31 | 8230370 |
| 32 | 13689118 |
| 33 | 22751528 |
| 34 | 37786915 |
| 35 | 62716752 |
| 36 | 104028245 |
[1,0,2,2,5,8,15,26,46,80,139,240,413,708,1210, 2062,3505,5944,10059,16990,28646,48220,81047, 136032,228025,381768,638450,1066586,1780061, 2968040,4944519,8230370,13689118,22751528, 37786915,62716752,104028245] |