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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 4 |
| 10 | 7 |
| 11 | 11 |
| 12 | 17 |
| 13 | 27 |
| 14 | 44 |
| 15 | 72 |
| 16 | 118 |
| 17 | 194 |
| 18 | 320 |
| 19 | 528 |
| 20 | 871 |
| 21 | 1439 |
| 22 | 2385 |
| 23 | 3965 |
| 24 | 6605 |
| 25 | 11017 |
| 26 | 18399 |
| 27 | 30771 |
| 28 | 51538 |
| 29 | 86440 |
| 30 | 145165 |
| 31 | 244085 |
| 32 | 410890 |
| 33 | 692442 |
| 34 | 1168114 |
| 35 | 1972470 |
| 36 | 3333834 |
| 37 | 5639888 |
| 38 | 9549311 |
| 39 | 16181931 |
| 40 | 27442827 |
| 41 | 46575013 |
[1,1,1,1,1,1,1,1,2,4,7,11,17,27,44,72,118,194,320, 528,871,1439,2385,3965,6605,11017,18399,30771, 51538,86440,145165,244085,410890,692442,1168114, 1972470,3333834,5639888,9549311,16181931,27442827, 46575013] |