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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 6 |
| 8 | 9 |
| 9 | 13 |
| 10 | 21 |
| 11 | 31 |
| 12 | 50 |
| 13 | 78 |
| 14 | 123 |
| 15 | 200 |
| 16 | 315 |
| 17 | 517 |
| 18 | 831 |
| 19 | 1355 |
| 20 | 2224 |
| 21 | 3620 |
| 22 | 5995 |
| 23 | 9835 |
| 24 | 16291 |
| 25 | 27004 |
| 26 | 44734 |
| 27 | 74625 |
| 28 | 124078 |
| 29 | 207437 |
| 30 | 346765 |
| 31 | 580418 |
| 32 | 974358 |
| 33 | 1634622 |
| 34 | 2750502 |
| 35 | 4628758 |
| 36 | 7800544 |
| 37 | 13164287 |
| 38 | 22223486 |
| 39 | 37579843 |
| 40 | 63571333 |
| 41 | 107659948 |
| 42 | 182479796 |
| 43 | 309478532 |
[1,1,1,2,2,3,4,6,9,13,21,31,50,78,123,200,315,517, 831,1355,2224,3620,5995,9835,16291,27004,44734, 74625,124078,207437,346765,580418,974358,1634622, 2750502,4628758,7800544,13164287,22223486, 37579843,63571333,107659948,182479796,309478532] |