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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 7 |
| 3 | 14 |
| 4 | 27 |
| 5 | 49 |
| 6 | 85 |
| 7 | 144 |
| 8 | 240 |
| 9 | 396 |
| 10 | 649 |
| 11 | 1060 |
| 12 | 1725 |
| 13 | 2802 |
| 14 | 4545 |
| 15 | 7366 |
| 16 | 11931 |
| 17 | 19318 |
| 18 | 31271 |
| 19 | 50612 |
| 20 | 81907 |
| 21 | 132544 |
| 22 | 214477 |
| 23 | 347049 |
| 24 | 561555 |
| 25 | 908634 |
| 26 | 1470220 |
| 27 | 2378886 |
| 28 | 3849139 |
| 29 | 6228059 |
| 30 | 10077233 |
| 31 | 16305328 |
| 32 | 26382598 |
| 33 | 42687964 |
| 34 | 69070601 |
| 35 | 111758605 |
[1,2,7,14,27,49,85,144,240,396,649,1060,1725,2802, 4545,7366,11931,19318,31271,50612,81907,132544, 214477,347049,561555,908634,1470220,2378886, 3849139,6228059,10077233,16305328,26382598, 42687964,69070601,111758605] |