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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 8 |
| 5 | 12 |
| 6 | 19 |
| 7 | 29 |
| 8 | 46 |
| 9 | 70 |
| 10 | 111 |
| 11 | 170 |
| 12 | 271 |
| 13 | 422 |
| 14 | 668 |
| 15 | 1048 |
| 16 | 1655 |
| 17 | 2603 |
| 18 | 4104 |
| 19 | 6453 |
| 20 | 10167 |
| 21 | 15989 |
| 22 | 25175 |
| 23 | 39599 |
| 24 | 62329 |
| 25 | 98064 |
| 26 | 154335 |
| 27 | 242845 |
| 28 | 382183 |
| 29 | 601399 |
| 30 | 946451 |
| 31 | 1489366 |
| 32 | 2343847 |
| 33 | 3688412 |
| 34 | 5804459 |
| 35 | 9134287 |
| 36 | 14374533 |
| 37 | 22620800 |
| 38 | 35597998 |
[1,1,3,4,8,12,19,29,46,70,111,170,271,422,668, 1048,1655,2603,4104,6453,10167,15989,25175,39599, 62329,98064,154335,242845,382183,601399,946451, 1489366,2343847,3688412,5804459,9134287,14374533, 22620800,35597998] |