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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 6 |
| 3 | 11 |
| 4 | 19 |
| 5 | 32 |
| 6 | 52 |
| 7 | 85 |
| 8 | 139 |
| 9 | 225 |
| 10 | 365 |
| 11 | 592 |
| 12 | 958 |
| 13 | 1551 |
| 14 | 2511 |
| 15 | 4064 |
| 16 | 6577 |
| 17 | 10642 |
| 18 | 17220 |
| 19 | 27863 |
| 20 | 45084 |
| 21 | 72948 |
| 22 | 118033 |
| 23 | 190982 |
| 24 | 309016 |
[1,3,6,11,19,32,52,85,139,225,365,592,958,1551, 2511,4064,6577,10642,17220,27863,45084,72948, 118033,190982,309016] |