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| n | a(n) |
|---|---|
| 4 | 13 |
| 5 | 22 |
| 6 | 37 |
| 7 | 63 |
| 8 | 108 |
| 9 | 185 |
| 10 | 318 |
| 11 | 547 |
| 12 | 941 |
| 13 | 1620 |
| 14 | 2789 |
| 15 | 4802 |
| 16 | 8269 |
| 17 | 14239 |
| 18 | 24520 |
| 19 | 42225 |
| 20 | 72714 |
| 21 | 125219 |
| 22 | 215637 |
| 23 | 371344 |
| 24 | 639485 |
| 25 | 1101246 |
| 26 | 1896437 |
| 27 | 3265823 |
| 28 | 5624020 |
| 29 | 9685033 |
| 30 | 16678438 |
| 31 | 28721667 |
| 32 | 49461117 |
| 33 | 85176188 |
| 34 | 146680533 |
| 35 | 252596170 |
[13,22,37,63,108,185,318,547,941,1620,2789,4802, 8269,14239,24520,42225,72714,125219,215637,371344, 639485,1101246,1896437,3265823,5624020,9685033, 16678438,28721667,49461117,85176188,146680533, 252596170] |