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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 9 |
| 3 | 18 |
| 4 | 35 |
| 5 | 62 |
| 6 | 107 |
| 7 | 181 |
| 8 | 301 |
| 9 | 496 |
| 10 | 812 |
| 11 | 1324 |
| 12 | 2153 |
| 13 | 3495 |
| 14 | 5667 |
| 15 | 9183 |
| 16 | 14872 |
| 17 | 24078 |
| 18 | 38974 |
| 19 | 63077 |
| 20 | 102077 |
| 21 | 165181 |
| 22 | 267286 |
| 23 | 432496 |
| 24 | 699812 |
| 25 | 1132339 |
| 26 | 1832183 |
| 27 | 2964555 |
| 28 | 4796772 |
| 29 | 7761362 |
| 30 | 12558170 |
| 31 | 20319570 |
| 32 | 32877779 |
| 33 | 53197389 |
| 34 | 86075209 |
| 35 | 139272640 |
[1,2,9,18,35,62,107,181,301,496,812,1324,2153, 3495,5667,9183,14872,24078,38974,63077,102077, 165181,267286,432496,699812,1132339,1832183, 2964555,4796772,7761362,12558170,20319570, 32877779,53197389,86075209,139272640] |