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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 4 |
| 7 | 6 |
| 8 | 9 |
| 9 | 15 |
| 10 | 23 |
| 11 | 38 |
| 12 | 62 |
| 13 | 100 |
| 14 | 163 |
| 15 | 267 |
| 16 | 441 |
| 17 | 725 |
| 18 | 1198 |
| 19 | 1986 |
| 20 | 3291 |
| 21 | 5472 |
| 22 | 9116 |
| 23 | 15204 |
| 24 | 25399 |
| 25 | 42494 |
| 26 | 71183 |
| 27 | 119396 |
| 28 | 200507 |
| 29 | 337090 |
| 30 | 567318 |
| 31 | 955749 |
| 32 | 1611672 |
| 33 | 2720212 |
| 34 | 4595198 |
| 35 | 7768975 |
| 36 | 13145109 |
| 37 | 22258264 |
| 38 | 37716358 |
| 39 | 63953853 |
| 40 | 108515011 |
[1,1,1,1,2,2,4,6,9,15,23,38,62,100,163,267,441, 725,1198,1986,3291,5472,9116,15204,25399,42494, 71183,119396,200507,337090,567318,955749,1611672, 2720212,4595198,7768975,13145109,22258264, 37716358,63953853,108515011] |