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| n | a(n) |
|---|---|
| 0 | 4 |
| 1 | 8 |
| 2 | 11 |
| 3 | 16 |
| 4 | 22 |
| 5 | 31 |
| 6 | 46 |
| 7 | 68 |
| 8 | 103 |
| 9 | 159 |
| 10 | 249 |
| 11 | 394 |
| 12 | 629 |
| 13 | 1007 |
| 14 | 1618 |
| 15 | 2606 |
| 16 | 4204 |
| 17 | 6789 |
| 18 | 10971 |
| 19 | 17737 |
| 20 | 28684 |
| 21 | 46396 |
| 22 | 75055 |
| 23 | 121424 |
| 24 | 196450 |
| 25 | 317844 |
| 26 | 514263 |
| 27 | 832075 |
| 28 | 1346305 |
| 29 | 2178346 |
| 30 | 3524616 |
| 31 | 5702926 |
| 32 | 9227505 |
| 33 | 14930393 |
| 34 | 24157859 |
| 35 | 39088212 |
| 36 | 63246030 |
| 37 | 102334200 |
[4,8,11,16,22,31,46,68,103,159,249,394,629,1007, 1618,2606,4204,6789,10971,17737,28684,46396,75055, 121424,196450,317844,514263,832075,1346305, 2178346,3524616,5702926,9227505,14930393,24157859, 39088212,63246030,102334200] |