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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 8 |
| 7 | 13 |
| 8 | 69 |
| 9 | 80 |
| 10 | 344 |
| 11 | 405 |
| 12 | 500 |
| 13 | 794 |
| 14 | 926 |
| 15 | 3293 |
| 16 | 3964 |
| 17 | 7203 |
| 18 | 7395 |
| 19 | 8163 |
| 20 | 14433 |
| 21 | 68455 |
| 22 | 108273 |
| 23 | 137845 |
[0,1,2,3,5,8,13,69,80,344,405,500,794,926,3293, 3964,7203,7395,8163,14433,68455,108273,137845] |