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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 9 |
| 6 | 14 |
| 7 | 19 |
| 8 | 30 |
| 9 | 44 |
| 10 | 68 |
| 11 | 99 |
| 12 | 168 |
| 13 | 245 |
| 14 | 402 |
| 15 | 636 |
| 16 | 1026 |
| 17 | 1613 |
| 18 | 2650 |
| 19 | 4199 |
| 20 | 6854 |
| 21 | 10996 |
| 22 | 17820 |
| 23 | 28679 |
| 24 | 46596 |
| 25 | 75065 |
| 26 | 121650 |
| 27 | 196516 |
| 28 | 318250 |
| 29 | 514257 |
| 30 | 832826 |
| 31 | 1346299 |
| 32 | 2179374 |
| 33 | 3524796 |
| 34 | 5704516 |
| 35 | 9227571 |
| 36 | 14933352 |
| 37 | 24157853 |
| 38 | 39092386 |
[1,2,4,6,9,14,19,30,44,68,99,168,245,402,636,1026, 1613,2650,4199,6854,10996,17820,28679,46596,75065, 121650,196516,318250,514257,832826,1346299, 2179374,3524796,5704516,9227571,14933352,24157853, 39092386] |