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| n | a(n) |
|---|---|
| 4 | 13 |
| 5 | 23 |
| 6 | 40 |
| 7 | 69 |
| 8 | 120 |
| 9 | 208 |
| 10 | 361 |
| 11 | 626 |
| 12 | 1086 |
| 13 | 1884 |
| 14 | 3268 |
| 15 | 5669 |
| 16 | 9834 |
| 17 | 17059 |
| 18 | 29592 |
| 19 | 51333 |
| 20 | 89047 |
| 21 | 154469 |
| 22 | 267956 |
| 23 | 464821 |
| 24 | 806321 |
| 25 | 1398718 |
| 26 | 2426344 |
| 27 | 4208958 |
| 28 | 7301243 |
| 29 | 12665403 |
| 30 | 21970565 |
| 31 | 38112149 |
| 32 | 66112815 |
| 33 | 114685328 |
| 34 | 198943646 |
| 35 | 345105821 |
[13,23,40,69,120,208,361,626,1086,1884,3268,5669, 9834,17059,29592,51333,89047,154469,267956,464821, 806321,1398718,2426344,4208958,7301243,12665403, 21970565,38112149,66112815,114685328,198943646, 345105821] |