| n | a(n) |
|---|---|
| 4 | 13 |
| 5 | 22 |
| 6 | 37 |
| 7 | 63 |
| 8 | 105 |
| 9 | 177 |
| 10 | 297 |
| 11 | 500 |
| 12 | 839 |
| 13 | 1411 |
| 14 | 2370 |
| 15 | 3984 |
| 16 | 6693 |
| 17 | 11249 |
| 18 | 18901 |
| 19 | 31764 |
| 20 | 53374 |
| 21 | 89694 |
| 22 | 150720 |
| 23 | 253277 |
| 24 | 425607 |
| 25 | 715204 |
| 26 | 1201837 |
| 27 | 2019598 |
| 28 | 3393765 |
| 29 | 5702960 |
| 30 | 9583358 |
| 31 | 16104079 |
| 32 | 27061604 |
| 33 | 45474878 |
| 34 | 76416880 |
| 35 | 128412479 |
| 36 | 215786884 |
[13,22,37,63,105,177,297,500,839,1411,2370,3984, 6693,11249,18901,31764,53374,89694,150720,253277, 425607,715204,1201837,2019598,3393765,5702960, 9583358,16104079,27061604,45474878,76416880, 128412479,215786884] |