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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 15 |
| 5 | 27 |
| 6 | 47 |
| 7 | 80 |
| 8 | 134 |
| 9 | 222 |
| 10 | 365 |
| 11 | 597 |
| 12 | 973 |
| 13 | 1581 |
| 14 | 2565 |
| 15 | 4158 |
| 16 | 6737 |
| 17 | 10912 |
| 18 | 17670 |
| 19 | 28608 |
| 20 | 46310 |
| 21 | 74957 |
| 22 | 121314 |
| 23 | 196327 |
| 24 | 317707 |
| 25 | 514111 |
| 26 | 831906 |
| 27 | 1346115 |
| 28 | 2178130 |
| 29 | 3524368 |
| 30 | 5702639 |
| 31 | 9227171 |
| 32 | 14930003 |
| 33 | 24157403 |
| 34 | 39087679 |
| 35 | 63245408 |
| 36 | 102333476 |
[2,4,8,15,27,47,80,134,222,365,597,973,1581,2565, 4158,6737,10912,17670,28608,46310,74957,121314, 196327,317707,514111,831906,1346115,2178130, 3524368,5702639,9227171,14930003,24157403, 39087679,63245408,102333476] |