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| n | a(n) |
|---|---|
| 4 | 13 |
| 5 | 22 |
| 6 | 37 |
| 7 | 62 |
| 8 | 105 |
| 9 | 177 |
| 10 | 300 |
| 11 | 508 |
| 12 | 861 |
| 13 | 1459 |
| 14 | 2472 |
| 15 | 4188 |
| 16 | 7094 |
| 17 | 12016 |
| 18 | 20352 |
| 19 | 34471 |
| 20 | 58385 |
| 21 | 98890 |
| 22 | 167497 |
| 23 | 283703 |
| 24 | 480532 |
| 25 | 813919 |
| 26 | 1378606 |
| 27 | 2335065 |
| 28 | 3955101 |
| 29 | 6699093 |
| 30 | 11346824 |
| 31 | 19219079 |
| 32 | 32552984 |
| 33 | 55137750 |
| 34 | 93391486 |
| 35 | 158185089 |
| 36 | 267931521 |
[13,22,37,62,105,177,300,508,861,1459,2472,4188, 7094,12016,20352,34471,58385,98890,167497,283703, 480532,813919,1378606,2335065,3955101,6699093, 11346824,19219079,32552984,55137750,93391486, 158185089,267931521] |