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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 13 |
| 7 | 20 |
| 8 | 31 |
| 9 | 46 |
| 10 | 68 |
| 11 | 98 |
| 12 | 140 |
| 13 | 195 |
| 14 | 271 |
| 15 | 370 |
| 16 | 502 |
| 17 | 673 |
| 18 | 897 |
| 19 | 1183 |
| 20 | 1553 |
| 21 | 2021 |
| 22 | 2618 |
| 23 | 3367 |
| 24 | 4312 |
| 25 | 5489 |
| 26 | 6961 |
| 27 | 8782 |
| 28 | 11039 |
| 29 | 13815 |
| 30 | 17232 |
| 31 | 21409 |
| 32 | 26519 |
| 33 | 32732 |
| 34 | 40288 |
| 35 | 49433 |
| 36 | 60496 |
| 37 | 73824 |
| 38 | 89872 |
| 39 | 109125 |
| 40 | 132204 |
| 41 | 159785 |
| 42 | 192715 |
| 43 | 231921 |
[1,2,3,5,8,13,20,31,46,68,98,140,195,271,370,502, 673,897,1183,1553,2021,2618,3367,4312,5489,6961, 8782,11039,13815,17232,21409,26519,32732,40288, 49433,60496,73824,89872,109125,132204,159785, 192715,231921] |